Costa Mesa High
1,776
Students
19.6:1
S:T Ratio
School Snapshot
Key metrics at a glance1,106
B+
21
A+
18%
C
20:1
B-
This Week at Costa Mesa High – August 24, 2026
229 students practicing on Varsity Tutors
Academic Grades
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Academic Resources
Typical courses and practice resources for students at Costa Mesa High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Costa Mesa High.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
September 4, 2026
SAT — National
State Assessments
March 1, 2027 – June 30, 2027
CAASPP — Statewide Window
School Milestones
October 1, 2026 – October 15, 2026
Private School Affidavit Filing Window
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2650 Fairview Rd., Costa Mesa, CA 92626
(714)424-8700
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Newport-Mesa Unified School District