Granite Hills High

Granite Hills High

Grossmont Union High School District

El Cajon, California

2,398 students

High School, Grades 9–12

(619)593-5500

2,398

Students

24.5:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,095

out of 1600

Average

Avg ACT Score

A-

out of 36

Good

AP Courses

B+

courses offered

Good

AP Enrollment

16%

of students

Average

Student-Teacher Ratio

25:1

C+

students per teacher

Below Avg

Graduation Rate

83%

Excellent

This Week at Granite Hills High – July 7, 2026

317 students practicing on Varsity Tutors

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MATH

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Academic Grades

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Academic Resources

Typical courses and practice resources for students at Granite Hills High

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

Standardized Test Dates

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

National Tests

July 1, 2026 – July 31, 2026

AP Score Release — All

Score release

July 11, 2026

ACT — National

Test date

July 21, 2026

ACT

Score release

August 14, 2026

ACT

Registration deadline

August 15, 2026

SAT — National

Test date

August 22, 2026

SAT — National

Test date

+27 more national tests this school year

School Milestones

October 1, 2026 – October 15, 2026

Private School Affidavit Filing Window

Other

See the full national test & school calendar

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School Details

Address

1719 E. Madison Ave., El Cajon, CA 92019

Phone

(619)593-5500

District

Grossmont Union High School District

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