Gabrielino High
1,527
Students
23.3:1
S:T Ratio
School Snapshot
Key metrics at a glance1,220
A-
29
A
23
A+
40%
B-
23:1
C+
95%
A+
This Week at Gabrielino High – May 23, 2026
209 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Gabrielino High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Gabrielino High.
National Tests
April 21, 2026 – May 29, 2026
ACT — School Day - Late Spring Online
May 14, 2026 – May 28, 2026
SAT — School Day
May 16, 2026 – May 30, 2026
SAT Score Release Date
May 26, 2026
SAT *Late Registration/Changes/Cancellations Deadline
May 29, 2026
ACT
June 5, 2026
ACT
State Assessments
January 1, 2026 – June 30, 2026
Smarter Balanced Summative Assessment
School Milestones
May 21, 2026 – May 29, 2026
School End/Summer Start
May 26, 2026 – June 11, 2026
Graduation
May 28, 2026
School End/Summer Start
June 4, 2026
School End/Summer Start
June 5, 2026 – June 10, 2026
School End/Summer Start
October 1, 2026 – October 15, 2026
Private School Affidavit Filing Window
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1327 S. San Gabriel Blvd., San Gabriel, CA 91776
(626)573-2415
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San Gabriel Unified School District