Antioch High
1,960
Students
22.8:1
S:T Ratio
School Snapshot
Key metrics at a glance980
B-
24
B+
11
B+
10%
C
23:1
C+
82%
A
This Week at Antioch High – October 17, 2026
262 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Antioch High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Antioch High.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
October 1, 2026 – October 30, 2026
PSAT/NMSQT — Fall
October 1, 2026 – October 30, 2026
SAT — School Day - Fall
October 17, 2026
ACT — National
State Assessments
March 1, 2027 – June 30, 2027
CAASPP — Statewide Window
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700 W. 18th St, Antioch, CA 94509
(925)779-7550
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Antioch Unified School District
Academic Calendar
Important dates, holidays, and school events