ANS is a mixed-age, parent participation, developmental preschool serving children 2-5 years old. Hours: Monday thru Friday 9am-12pm.
Who We Are
ANS is a licensed, non-profit, non-sectarian, in*******al, cooperative nursery school in which each family shares in the school's planning and operations. ANS was started in 1950 by a small group of CalTech parents as a babysitting co-op and has grown into a nursery school that operates daily for up to 50 children from the ages of two to five years old. Since its beginning, ANS has made
05/04/2026
🧡🍊What a memorable day! Our 75th Fest and Reunion was filled with joy. It was wonderful to see so many familiar faces and welcome new families into our community for a day of celebration and play. We are so grateful for your ongoing support!
📸:
04/02/2026
Celebrate 75 Years of Altadena Nursery School! 🍊
It’s time for a reunion! We are thrilled to invite our entire community—past, present, and future—to the ANS Family Fest & Reunion on Saturday, May 2nd.
Join us at Camp Mariposa for an afternoon dedicated to the "messy and joyful" play-based learning that has defined ANS for generations. This event supports our capital campaign to secure a forever home for our school!
What to expect:
• Entertainment: Live music from Evan Ziegenmeyer & friends and the whimsical Davey B. Gravey's Tiny Cinema! 📽️
• Food & Drink: Tacos and More will be serving up lunch, and Playgrounds LA is pouring coffee and special orange-themed drinks. 🌮☕
• Activities: Games, crafts, and art for the kids!
• Giving: Participate in our auction and paddle raise to help build our future.
When: Saturday, May 2nd | 2:00 PM – 6:00 PM
Where: Camp Mariposa, 615 E. Mariposa Street, Altadena, CA 91001
Calling all Alumni! 📣 Tag your former classmates in the comments and help us spread the word. We can’t wait to see how much everyone has grown!
Tickets on sale at: https://givebutter.com/c/ANS75thFamilyFest
03/04/2026
🚧This week the children are working on their balance and large motor skills. They are learning about water flow and are having fun playing construction.
03/04/2026
Observing the world around and interacting with our garden.
02/26/2026
🎨🛝🍎You are invited to learn more about our school! We have info sessions and a visit day coming up. Come play with us and see why we were voted Best Preschool in Pasadena!
02/23/2026
✨Jumping and twirling into a bright new week and working on .
02/18/2026
Chipotle Mexican Grill Fundraiser is tomorrow from 4pm-8pm at the 1687 E Colorado Blvd Location. Order online with code PENJ9B9 or show this post at the restaurant. 25% of the sales will benefit our school directly.
🍊The ANS has come to an end. We want to thank our customers and our school families for buying citruses and keeping this 74 year tradition alive. A big shout out to our Orange Sale co-chairs Danielle Christen and Alison Spieth Perrine who lead the charge and kept parents motivated to meet their goals. Thank you to all the amazing parents and children who helped to unload, sort, and delivered cases of fruit. We know it wasn’t an easy week, and your good humor and spirits made all the difference. 🧡
02/05/2026
💕Celebrating love and friendship with our Puffy Hearts Art activity. Children are having fun while getting creative.💕
01/15/2026
Looking for the perfect preschool “home”? 🏠✨
Come play with us! Altadena Nursery School is hosting an Open House & Play Date, and you’re invited!
There’s a reason we were just named Best Preschool in Pasadena—come explore our yard, meet our families, and see how our parent-cooperative spirit creates a one-of-a-kind environment for kids to thrive.
See you on the playground! 🛝🧡
Saturday, January 31st, 2026 from 10am to 12pm.
01/06/2026
For over seven decades, the ANS Orange Sale has been the heartbeat of our school. Every case sold and every dollar donated helps bridge the gap in our budget, ensuring that our magical preschool program remains accessible to every child in our community.
Whether you’re buying for your kitchen or donating to the food bank, you’re making a direct impact on our classrooms.
Let’s reach our goal together! 🍊
👉 Shop now: www.ansoranges.com
| Monday | 9am - 12pm |
| Tuesday | 9am - 12pm |
| Wednesday | 9am - 12pm |
| Thursday | 9am - 12pm |
| Friday | 9am - 12pm |