Home
California
Grossmont Union High School District
Valhalla High

Grossmont Union High School District

Valhalla High

El Cajon, California

1,911 students

High School, Grades 9–12

(619)593-5300

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
This Week at Valhalla High – July 7, 2026

251 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

Start practicing →
English

0

students

Start practicing →
Science

0

students

Start practicing →
Explore practice resources for Valhalla High students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Valhalla High

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Valhalla 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
CA
See the full national test & school calendar
Varsity Tutors

Unlock Academic Success

Personalized learning support for Valhalla High learners
SAT Prep

Practice tests, flashcards, and AI-powered study tools

ACT Prep

Master all four sections with targeted practice

Study Coach

Get instant help with homework and practice problems 24/7

1:1 Tutoring

Match with expert tutors in El Cajon

Live Classes

Join interactive group sessions with expert instructors

Practice Hub

Thousands of flashcards and learning resources

School Details
Address

1725 Hillsdale Rd., El Cajon, CA 92019

Phone

(619)593-5300

District

Grossmont Union High School District

Need Academic Help?

Get matched with expert tutors for any subject

Find a Tutor
Other Schools in District
Grossmont High
El Capitan High
Monte Vista High
Valhalla High
West Hills High
Granite Hills High