15-17 Years

Late adolescence.

High school. The last few years of childhood, structurally speaking. Your child is driving (or they’re about to be). Possibly dating. Definitely arguing about important things going on in the world. They have a Spotify history that says something about who they are. They’ll make decisions now that will shape the next decade. They’re not your kid in the way they used to be. They’re turning into the adult they’ll be, and you’re still part of that, just differently.

This portal spans three years, so it may feel a bit dense. There’s no test on any of these topics. They’re simply here for you, a resource to come back to if you ever need it.

The big topics: getting their license and driving safely, today’s vaccines (MenACWY booster, possibly MenB), paying attention to mental health, real conversations about sex, relationships, and substances, and the seeds we plant now for the adult they’ll become. Most of the visit is between us and your teen, as we prepare them for full-fledged adulting.

Your visit at a glance

What we’ll do

• Weight, height, and BMI
• Blood pressure
• Physical exam
• Scoliosis screening
• Mental health and substance use screening
• 1:1 time between patient and doctor
• Driving safety conversation, college and future planning preview

Vaccines, and what your teen gets today

What today includes depends on their age. The 15 and 17 year visits are usually the flu vaccine in season plus any catch-up doses (HPV is the common one, completable through age 26). The 16 year visit is the big one: the MenACWY booster (the second dose, after the first at 11 to 12), given before college, and a conversation about MenB, which the CDC leaves to shared decision-making, especially for college-bound teens.

Typical reactions: sore arm, sometimes a mild fever. Some teens feel faint after a shot (a harmless reaction called vasovagal syncope), so we keep them seated 15 minutes.

Screenings we’ll review

• Vision and hearing
• Scoliosis
• Mental health (PHQ-9 and GAD for depression and anxiety)

Bring with you: Top 3 questions. Anything from school, sports, or activity programs that needs documentation.

What’s happening at this age

Body

• Puberty essentially complete for most by 17
• Adult-pattern physical development
• Continued sports specialization or de-emphasis
• Acne management often a real concern
• Sleep needs 8 to 10 hours, though most teens get less
• Driving begins (Hawaiʻi permit at 15-and-a-half, provisional license at 16)

Brain

• Prefrontal cortex maturation continues into the mid-20s
• The “teen brain” pattern (stronger emotion and reward-seeking, less consequence thinking) remains active
• Abstract thinking
• Identity formation and future planning
• Academic complexity peaks (junior year is often the most demanding)

Behavior

• More autonomy in daily decisions, more distance from family for most kids
• Real romantic relationships for many, real sexual experience for some
• Substance experimentation for many
• Real political and ethical positions emerging
• Future planning begins (college, career, gap year, military, trades)
• Increasingly real consequences for their decisions.

🌿 Mind / Body / Spirit, for your keiki

 🌟 Safe driving in Hawaiʻi: the conversation that matters most at 16

Motor vehicle crashes are the leading cause of accidental death for US teens ages 15 to 19. The first 6 months of independent driving is the highest-risk window. Most teen crashes are caused by distraction, inexperience, or risky decisions, not by mechanical issues.

Hawaiʻi’s graduated driver license (GDL):

• Permit at 15-and-a-half, with parent or guardian supervision required
• 50 hours of supervised practice driving required before provisional license, including 10 hours at night
• Provisional license at 16, after permit period and behind-the-wheel hours
• Provisional restrictions: no passengers under 18 unless family for the first 6 months, no driving 11pm to 5am with some exceptions
• Full license at 17 if all conditions met

The conversation worth having before they drive:

• Phones are off and away. Texting while driving is the most preventable cause of teen crashes. Use Do Not Disturb While Driving. Phone in glove box. Make this a non-negotiable from day one.
• Passengers are a risk factor. Each additional teen passenger increases crash risk significantly. Honor the GDL passenger limits even when they feel arbitrary.
• Speed matters. Most fatal teen crashes involve speeding. Hawaiʻi’s roads (H-1, country roads, mountain roads) have specific hazards.
• Never drive after using anything. Alcohol, marijuana, prescription medication, lack of sleep. Same goes for being a passenger with someone who has. Have a deal: call you for a ride, no questions asked, no consequences for the call.
• Seatbelts every time, every seat, no exceptions. Including in friends’ cars.
• Practice in conditions, not just on roads. Night driving, rain, highway, parking. Many teens get their license having never driven in rain.

Hawaiʻi-specific hazards:

• Tourists who don’t know the roads or rules
• Pedestrian-heavy areas (Waikīkī, beach towns)
• Mountain roads with limited visibility
• Sudden rain causing slick conditions
• One-lane bridges and rural road etiquette

The parent-teen agreement: Some families use a written contract for driving (Allstate and AAA have free templates). Topics: where they can drive, when, with whom, communication expectations, consequences. It works better when discussed and agreed than imposed.

Most teen driving deaths are preventable, and it starts with this conversation. More from CDC on teen drivers, AAP on teen driver safety, and the Hawaii DOT licensing portal.

Mental health

Mental health concerns remain high in this window. Anxiety and depression rates stay elevated. Suicide is the second leading cause of death for ages 10 to 24. This range also carries the highest rates of first-time substance use, eating disorder onset, and self-harm.

What we screen for today: depression, anxiety, suicidal ideation, substance use, eating concerns, family functioning, school stress.

What you can watch for:

• Low mood lasting weeks, withdrawal, or growing isolation
• Sleep changes, school decline, or school refusal getting worse
• Rising substance use, or sexual risk-taking out of character
• Dangerous online behavior
• Signs of self-harm (cuts, scratches, burns, often hidden on thighs, hips, or upper arms)

What helps:

• Staying connected, even when they push back
• Professional support when needed, and don’t wait
• Protecting sleep and getting them outside
• Reducing social media exposure
• Keeping them close to non-parent trusted adults

Resources: 988 (call or text), Hawaiʻi CARES 808-832-3100, Crisis Text Line (text ALOHA to 741741), The Trevor Project for LGBTQ+ teens. More from Child Mind Institute and the JED Foundation.

Sexual health, contraception, and STI prevention

Many teens become sexually active during these years, and many don’t. Some make different choices, and that’s also fine. Whatever your teen is or isn’t doing, accurate information protects them.

What we discuss privately with your teen:

• Healthy relationships and consent
• Contraception options, if relevant
• STI prevention, and when and how to get tested
• What to do after unprotected sex or assault (emergency contraception, PEP for HIV exposure)
• Signs of an unhealthy or abusive relationship

Hawaiʻi-specific: under Hawaiʻi law (HRS §577A), teens 14 and over can consent to their own reproductive and sexual health care without a parent’s consent. That covers contraception, STI testing, and pregnancy services. We keep these conversations confidential with your teen, unless safety is at risk. You can read the law itself in the Hawaiʻi Revised Statutes (§577A).

For parents: make it possible for your teen to come to you with sexual health questions without judgment. Whether you agree with their choices or not, trust me, you want to be in the conversation.

More from AAP on adolescent sexuality, Planned Parenthood for teens, and Bedsider.

Substance use

This is the age of highest experimentation. Most teens try alcohol or marijuana at some point, and many choose not to.

Real risks at this age:

• Alcohol overdose and impaired driving
• Sexual risk under the influence
• Substances worsening anxiety and depression
• Prescription medication misuse
• Fentanyl-contaminated counterfeit pills, sold as Xanax, oxycodone, or Adderall, often through social media contacts. This one is real and growing.
• Vaping, common at this age, with nicotine addiction risks far beyond what most teens or parents realize

What helps:

• Ongoing honest conversation, not lectures
• Clear expectations, and knowing the friends and the patterns
• A “no questions asked” deal for safe rides
• Watching for warning signs: school decline, friend changes, money disappearing, mood shifts, sleep changes
• If your teen has experimented, that’s developmentally common. The real question is whether use is escalating, interfering with life, or putting them in danger. We can help you triage.
• Cessation resources for teens who vape: Truth Initiative’s This is Quitting is a free, anonymous text-messaging program designed specifically for young people who vape. smokefree.gov (NCI’s SmokefreeTXT for Teens) is another option.

More from the CRAFFT screening tool and AAP on adolescent substance use.

Sleep

Sleep need at this age is 8 to 10 hours. Most teens get 6 or fewer. Between the biological shift toward later nights, early school start times, homework, activities, jobs, social life, and screens, chronic sleep deprivation is the norm. It’s linked to worse academics, mood, accident risk, mental health, and metabolic health.

What helps:

• Screens out of the bedroom, the rule older teens fight hardest and need most
• A consistent bedtime, with school nights protected
• Watching for academic overload
• If your teen consistently sleeps under 7 hours on school nights, that’s worth addressing. Caffeine is part of it. Many teens drink energy drinks or coffee at levels that work against both their heart health and their sleep.

💗 Family / Community — for you and your ʻohana

🌟 Planting seeds for adulthood: the conversations we’re starting now.

These are the years when the adult they’re becoming starts to take shape. The conversations you have now plant seeds that take years to bloom. Here are the conversations worth planting in this window:

On money and financial planning:

• A first job teaches more than money. Time management, customer service, responsibility, taxes. Babysitting, lawn work, lifeguarding, retail, all count.
• Open a checking account they manage themselves. Watching money come in and go out is the basic financial literacy lesson.
• Introduce saving as a habit. A simple rule like “save 20%, spend 80%” of any income (allowance, gifts, job pay) builds the muscle.
• Introduce investing. A custodial Roth IRA can be a powerful head start. Any earned income from legitimate work qualifies. A dollar invested at 16 has decades more time to compound than a dollar invested at 40. Even small annual contributions become significant. Worth a real conversation with your tax professional or financial advisor.
• Talk about debt, especially credit cards and student loans. The cost of debt over time is invisible until it isn’t.
• Be transparent about your family finances as much as feels appropriate. Hiding all money talk often produces adults who can’t talk about money.

On college and the future:

• College isn’t the only path. Trades, military, gap year, two-year community college transferring to a four-year, work first then school. All real options.
• Cost matters. Student loan debt that compromises their twenties isn’t worth a prestige name. Compare full costs after aid. Hawaiʻi has UH Mānoa, UH Hilo, UH West Oʻahu, and the community colleges. In-state value is real.
• Fit matters more than ranking. A college where they’ll thrive matters more than the most selective one they can get into.
• Start the conversation early, but don’t make it the only conversation. Junior year is when most of the work happens. Don’t let “college” eat the whole high school experience.
• Standardized testing is changing. Many colleges are test-optional, though some selective schools have brought testing requirements back. The landscape isn’t what it was for previous generations. Research the schools your teen cares about specifically.

On adulting in general:

• A few real meals they can make from start to finish.
• Including stains, delicates, and folding.
• Scheduling and time management. Calendar use, deadline planning, building a system that fits their brain.
• Healthcare self-management. Their own medical history, allergies, medications, and how to make an appointment and call our office.
• Talking to teachers, employers, eventually landlords in their own voice. Not through you.
• Hard conversations. How to apologize. How to ask for what you need. How to set a boundary. How to break up. How to disagree respectfully.
• Asking for help. Adulting means knowing when you can’t do it alone and being willing to ask. This is a skill, not weakness.

These skills are built over years. By 18, the adult they’re becoming has these seeds already planted by you. They won’t be fully grown yet. That’s fine. You started now, so they will be when it matters.

Healthy relationships and consent

Relationships at this age get more serious. Some teens are in long-term relationships. Some are dating casually. Some aren’t dating at all, and that’s fine too.

What to keep talking about:

• Consent, deepening as relationships do
• Healthy versus unhealthy patterns, equality, and respect
• Communicating during disagreement, and breaking up well
• Sexting risks (images shared even with someone they trust can be redistributed)
• Digital monitoring inside a relationship (a red flag)
• Pressure for sexual activity (a red flag)
• For LGBTQ+ teens specifically: The Trevor Project, GLSEN, PFLAG.

For parents: know who they’re dating. Have them in your home. Stay curious without intruding. If something feels off, ask gentle questions and stay close. Don’t make breakups secret. Teens going through breakups can have real mental health responses and need support.

More from Love Is Respect, Girlology, and Sex Ed Rescue.

Screen time and digital life

By 15-17, devices are woven into your teen’s life. The rules from earlier years should evolve, not disappear.

What still matters:

• No phones in bedrooms overnight (the sleep and mental health data stays clear)
• No phones at the dinner table
• Time limits enforced through device controls
• Ongoing conversation about what they see online, and how it affects their mood

What changes: they need more autonomy as they move toward adulthood. The principles hold anyway. Privacy still matters, theirs and yours. So do their mental health and sleep.

A new conversation at this age: what they post now can follow them for life. Texts can become public. Future employers and admissions officers look. None of this calls for panic. All of it calls for thoughtfulness.

More from Common Sense Media, the Anxious Generation site, and the 2023 Surgeon General Advisory on social media and youth mental health.

Your wellbeing is still part of every visit

Parent wellbeing at 15-17: preparing to launch, and what comes after. These are the last years they live in your house full-time. Some parents feel a slow steady grief about that throughout the high school years. Some don’t feel it until later. Either is normal. The shape of your daily life is about to change in real ways, and the identity that was built around active parenting is reaching its final, full chapter. Naming this now matters. Most parents who navigate this transition well started early.

Signs worth attention:

• Anticipatory grief about their leaving that feels bigger than the moment
• College admissions stress affecting your own sleep or daily functioning
• Marital strain about your teen’s path or future
• A sense that your identity is so wrapped up in parenting you don’t know who you’ll be after launch
• Comparison anxiety as other families’ paths become visible
• Trouble letting go of authority you used to have, or anxiety about choices you can’t control
• Avoiding the reality of their leaving by overworking or staying distracted

What helps at this stage:

• Therapy, if the grief is intense or persistent
• Real conversations with your partner about post-launch life, logistics and emotional both
• Reconnecting with interests, friendships, and projects that have been waiting for years
• Building a non-parent identity on purpose, rather than letting the void fill itself
• Friendships with parents at the same stage
• Reading about the empty nest transition (it’s a real phase, and naming it helps)
• Permission to feel both excitement and sadness
• Modeling that adulthood is something to look forward to. Your relationship with your own adulthood shapes theirs.

You don’t have to wait for a crisis to get support. Your own doctor is a good first call, and therapy helps with this transition more than most parents expect.

Local Oʻahu resources 🌺

🌺 Hawaiʻi driver education and safe driving resources

• Hawaii DOT licensing portal: details on permit, provisional license, restrictions, required supervised driving hours.
• Approved Hawaiʻi driver education programs: required for most teens. Options include Aloha Driving School, Pro Drive Hawaiʻi, Aaron’s Driving School, and others depending on your area.
• AAA Driver Education: well-respected national program with Hawaiʻi availability.
• The GDL rules above come from Hawaiʻi’s graduated licensing law (HRS §286). Confirm current details on the Hawaiʻi DOT teen driver page and the City and County of Honolulu DMV site.

🌺 Hawaiʻi college and career resources

• University of Hawaii system: UH Mānoa, UH Hilo, UH West Oʻahu, plus community colleges across the state. Hawaiʻi residents get significant tuition advantages.
• Hawaiʻi Promise Scholarship: covers tuition at Hawaiʻi community colleges for eligible students.
• Common App and Coalition App: standard college application platforms for mainland and many Hawaiʻi schools.
• BigFuture by College Board: free college and career planning, with school search and scholarship tools.
• Khan Academy: free SAT and ACT prep.
• FAFSA: free federal student aid application. File in October of senior year and every year after.
• Hawaiʻi Workforce Development: trades, apprenticeships, vocational programs.
• Military pathways: every Hawaiʻi high school has recruiters available, and ROTC scholarships are real options for college funding.
• Gap year programs: AmeriCorps, NOLS, Outward Bound, structured work-and-save years.

True at every age

Some things never stop mattering, no matter the age on this page:

• Dental care: cleanings every 6 months.
• Water safety. In Hawaiʻi it’s a year-round priority at every age.
• Sun protection, every day, even when it’s overcast.

🚨 When to call us

For a teen 15-17 years old, call us right away (or go to the ED) for any of these:

• Any active suicidal thoughts, self-harm, or statements about not wanting to be here. Go to the ED or call 988.
• Significant depression, anxiety, or persistent low mood for more than 2 weeks.
• Eating behaviors that concern you (restriction, purging, binging, secretive eating, body-checking, exercise compulsivity, dramatic weight changes).
• Substance use that’s escalating, daily, or causing problems.
• Sexual exposure concerns, possible pregnancy, STI exposure, or any sexual situation that worries you or your teen.
• A motor vehicle crash, even minor and without obvious injury. Concussions can present hours or days later.
• Possible concussion after head impact (worsening headache, vomiting, balance changes, mood changes, sleep changes, confusion).
• Possible fracture or significant sports injury.
• Cyberbullying, sextortion, threats of image sharing, or online safety concerns.
• Significant academic decline or school refusal.
• Significant behavior change persisting more than a few weeks (withdrawal, aggression, mood changes, sleep changes).
• Any disclosure about inappropriate touching, abuse, or sexual assault.
• Your gut says something is wrong. Call.

📞 Call us when you need us: 808-600-2180

During office hours, you’ll reach our team. After hours, call the same number and select option 1 for our after-hours line (Hello Pediatrics), who follow our medical protocols.

For anything life-threatening, call 911.

What’s ahead before your 18-21 year visit

This age range is the last before your teen technically becomes an adult. The next portal (18-21) is the transition portal. So big changes are coming.

Driving expands. Full license at 17 in Hawaiʻi (if conditions met). More independent driving. The risk window starts to close as experience accumulates, but the first year of full licensure still requires attention.

Senior year of high school. College applications, financial aid forms, decision-making about post-high-school path, prom and graduation milestones, the emotional reality of leaving home.

The 18-year-old milestone. Legal adulthood. Can vote, sign contracts, be tried as adult. Can consent to all their own medical care. Can move out. Can join the military. Can buy lottery tickets. The legal and emotional transition is here.

College or workforce. Most teens transition to college, work, military, trade school, or gap year somewhere in this window. The transition affects everything: housing, finances, relationships, mental health, sleep, eating.

Transition to adult healthcare. We will start talking with your teen at 17 about the transition to adult care. We continue to see our patients through age 21. The 18-21 portal covers the transition to an adult doctor in detail.

The 18-21 year visits are the last pediatric well-checks: comprehensive transition planning, continued mental health and substance use screening, sexual health, college and workforce check-in, healthcare self-management, financial and life skills check.

Message us anytime in between. Until our next visit, keep planting those seeds. They’re growing perfectly, whether you can see them or not.