An independent day school for grades 6-12 where kind curious learners thrive together.
Crystal is located on a 10-acre suburban campus on the San Francisco peninsula and serves grades 6-12. Crystal provides an intimate, collaborative community that encourages students to pursue their passions, explore new interests, build confidence, develop compassion and thrive in an environment of academic excellence. At Crystal, we inspire motivated learners to lead meaningful lives in a rapidly changing world.
06/13/2026
Next stop: Upper School! 🎓✨
We are incredibly proud of our newly minted Middle School graduates! Watching this class grow, learn, and lead has been an absolute joy.
Class of 2030, you bring so much energy, kindness, and talent wherever you go. We can’t wait to officially welcome you to the Upper School this fall! 💙🎉
06/12/2026
A whole week later, and we're still bursting with pride. 🥹🎓
The Class of 2026 officially crossed the stage last week, and we are still celebrating their incredible achievements. Swipe through to relive some of our favorite moments from Commencement!
Bye-bye, trailers! 🚚👋
The modular classrooms are officially leaving campus, which means we are one step closer to re-opening the Mansion and returning to campus as usual for next year! 🏛️✨
We are so grateful to our students, faculty, and families for their flexibility and school spirit during this transition. The countdown to being back in our historic home is officially ON!
06/10/2026
An inspiring night at Town Hall! 🏳️🌈 🏳️⚧️ Crystal was strongly represented at last night's Hillsborough Pride Recognition Ceremony.
Head of School Kelly Sortino and students Ian T ‘26, Wyatt E ‘27, and Mac S ‘33 took the stage as keynote speakers and absolutely blew us away with their leadership. The night was made even more special by sharing the stage with Mike Cooper (formerly O'Rourke, Class of '04) San Mateo County LGBTQIA+ Commissioner.
Check out the last slide to see our amazing Gryphon turnout—parents, guardians, students, PAC, and alumni all gathered together. We are so proud of our inclusive community! 🩵💙
Caps in the air, tears in our eyes, and endless pride in our hearts. 🎓✨
Last week, we officially celebrated the incredible Class of 2026 at our Upper School Commencement! From the inspiring speeches to that final, unforgettable walk across the stage, it was filled with joy, reflection, and new beginnings. Still can’t believe these seniors are officially alumni now. 😭
Watch the highlights from this memorable day below. Please join us in congratulating the Class of 2026! 💙
And just like that, they’re officially high schoolers! 🎓✨
We are so incredibly proud of the Class of 2030. From the classroom to the stage, sports fields, and everywhere in between, you have left an unforgettable mark on our middle school.
Enjoy looking back at some of our favorite moments from Graduation Day. Thank you to our amazing PAC and families for supporting these students every step of the way.
Next stop: Upper School! 🚀
06/06/2026
Greetings from the San Mateo Pride Parade! 🏳️🌈🏳️⚧️
06/05/2026
Pie fights, dramatic slips, and endless laughs! 🥧💥
Throwing it back a few weeks ago to our Middle School Fine Arts Friday, where our talented students absolutely crushed their Slapstick performance! From perfect comedic timing to hilarious physical comedy, they brought the house down.
A massive shoutout and thank you to our incredible MS Drama Teacher, Michelle Berti, for directing this masterpiece and teaching our students that sometimes, falling down is the best part of the show! 🎭👏
06/04/2026
And just like that, another incredible school year is officially in the books! ☀️📚
Yesterday marked our final PAC day, and we wrapped things up in the best way possible. We kicked off the morning fueled by a Coffee Cart and breakfast (huge thank you to our amazing Admission Team! ☕️🥐), spent time reflecting on our growth in teaching and learning, and closed out with a Year-End Review from Kelly Sortino.
The absolute perfect finale? A delicious celebratory lunch out in the sunshine, complete with live music! 🎷🍤
Amid the celebration, we also took time to recognize, celebrate, and say a heartfelt farewell to the dedicated PAC members who are leaving us this year. Thank you for your incredible service, leadership, and unwavering commitment to our school community. You have left a lasting impact, and you will be deeply missed!
To our entire PAC, thank you for your endless dedication, passion, and hard work all year long. You make this community what it is. Now, it’s time to rest, recharge, and enjoy a well-deserved summer break! 🏖️✨