Valhalla High

El Cajon, California

1,911 students

High School, Grades 9–12

1,911

Students

24.4:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,129

B+

out of 1600
Good
Avg ACT Score

25

A-

out of 36
Good
AP Courses

12

A-

courses offered
Good
AP Enrollment

19%

C

of students
Average
Student-Teacher Ratio

24:1

C+

students per teacher
Below Avg
Graduation Rate

83%

A

Excellent
Academic Grades

Select a grade level to explore courses and resources

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Valhalla High.

National Tests

April 21, 2026 – May 29, 2026

ACT — School Day - Late Spring Online

Score release

May 14, 2026 – May 28, 2026

SAT — School Day

Score release

May 16, 2026 – May 30, 2026

SAT Score Release Date

Score release

May 21, 2026

AP Art History *Late

Test date

May 21, 2026

AP Calculus AB *Late

Test date

May 21, 2026

AP Calculus BC *Late

Test date
+60 more national tests this school year

State Assessments

January 1, 2026 – June 30, 2026

Smarter Balanced Summative Assessment

Testing window
CA

School Milestones

May 21, 2026 – May 29, 2026

School End/Summer Start

Other

May 26, 2026 – June 11, 2026

Graduation

Other
CA

May 28, 2026

School End/Summer Start

Other

June 4, 2026

School End/Summer Start

Other

June 5, 2026 – June 10, 2026

School End/Summer Start

Other
CA

October 1, 2026 – October 15, 2026

Private School Affidavit Filing Window

Other
CA
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School Details
Address

1725 Hillsdale Rd., El Cajon, CA 92019

Phone

(619)593-5300

District

Grossmont Union High School District

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