Mark Your Calendars!
2024-2025 Calendar of Sessions & Breaks
Sessions & Breaks At A Glance
2024-2025 Calendar of Sessions & Breaks
- Session 1, 2024: 7 weeks, Aug. 26 – Oct. 11
- No OSA classes Monday, Sept. 2
- Session break, no OSA classes: Oct. 14-18
- Session 2, 2024: 8 weeks, Oct. 21 – Dec. 20
- No OSA classes Monday, November 11
- Mid-session break, No OSA classes Nov. 25-29
- Winter break, no classes: Dec. 23-Jan. 10
- Session 3, 2025: 9 weeks, Jan. 13 – March 14
- No OSA classes on Monday Jan. 20, Friday Feb. 14, or Monday Feb. 17
- Session break, No OSA classes March 17-28
- Outdoor adventure with NatureBridge March 16-21
- Session 4, 2025: 8 weeks, March 31 – May 30
- Mid-session break (Spring Break), April 21-25
- No OSA classes Monday, May 26
- Imaginession 2025: June 2-4
- Summer Session 2025: dates TBD
Upcoming Dates to Remember
Please check back frequently as this page is updated regularly.
The session schedule for One Spark Academy (a “Learning Center”) follows the calendar for the local district, CVUSD. Classes for OSA are closed on national or observed legal holidays, not necessarily religious holidays.
A PDF of the 2024-2025 Calendar of Sessions & Breaks is here: OSA Calendar 2024-2025
MARCH 2025
- Wednesday, 12th: OSA Tour
- Thursday, 13th: OSA Tour
- Friday, 14th: End of Session 3
- 16th-21st: Outdoor Adventure to Olympic Peninsula
- 17th-28th: OSA Session Break
- Monday, 31st: Session 4 begins (8 weeks, 3/31-5/30)
- Monday, 31st: Pre-Registration commitments open for 2025-2026 (CURRENT families)
APRIL 2025
- Thursday, 3rd: OSA Tour
- Wednesday, 9th: OSA Tour
- Thursday, 10th: OSA Tour
- Friday, 11th: OSA Talent Show & Bake Sale TBD
- 21st-25th: OSA Spring Break
MAY 2025
- Thursday, 1st: Pre-Registration commitments open for 2025-2026 (NEW families)
- Saturday, 3rd: Ignite a Spark Spring Fundraiser at Art Trek
- Monday, 26th: Memorial Day, no OSA classes
- Friday, 30th: Last day of Session 4
JUNE 2025
- 2nd-4th: Imaginession, 9:00-2:00
- Thursday, 5th: 8th grade Launch (TBD)
- Tuesday, 10th: Parent Orientation Mtg. for Fall, 2025, 7:00 pm in person
- Thursday, 12th: Parent Orientation Mtg. for Fall, 2025, 7:00 pm on ZOOM
JULY 2025
- 14th-25th: Summer Tune-Up! Details TBA
- 21st-25th: Pre-Registration week for 2025-2026
AUGUST 2021
- Monday, 4th: General Registration for 2025-2026
- Tuesday, 19th: 9:00 Math assessments (if needed), Campus Beautification morning
- Wednesday, 20th: Welcome Back picnic 4:00-7:00
- Monday, 25th: Session 1 begins