Los Osos PTSA

Los Osos PTSA Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Los Osos PTSA, Nonprofit Organization, 6001 Milliken Avenue, Rancho Cucamonga, CA.

Teacher appreciation! PTSA was delighted to celebrate all our teachers who work tirelessly every day to educate our chil...
05/08/2026

Teacher appreciation! PTSA was delighted to celebrate all our teachers who work tirelessly every day to educate our children.

Los Osos PTSA proudly celebrated and honored three outstanding community members for their exceptional dedication and su...
04/29/2026

Los Osos PTSA proudly celebrated and honored three outstanding community members for their exceptional dedication and supporting our students 🧑‍🎓. Honorary Service Awards

04/20/2026
CALLING LOS OSOS HIGH SCHOOL PARENTS!We need volunteers to help ensure a smooth and successful administration of the 202...
03/27/2026

CALLING LOS OSOS HIGH SCHOOL PARENTS!
We need volunteers to help ensure a smooth and successful administration of the 2026 AP Exams, from May 4th to May 15th.
Your involvement can make a big difference!

Due date extended to March 13th, 2026
03/09/2026

Due date extended to March 13th, 2026

Support PTSA today!!!!
02/18/2026

Support PTSA today!!!!

Scan the QR for more information
02/13/2026

Scan the QR for more information

Address

6001 Milliken Avenue
Rancho Cucamonga, CA
91737

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