Mount Miguel High

Mount Miguel High

Grossmont Union High School District

Spring Valley, California

1,480 students

High School, Grades 9–12

(619)664-8400 School Website

1,480

Students

20.4:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

977

B-

out of 1600

Average

Avg ACT Score

A-

out of 36

Good

AP Courses

courses offered

Average

AP Enrollment

of students

Below Avg

Student-Teacher Ratio

20:1

B-

students per teacher

Average

Graduation Rate

83%

Excellent

This Week at Mount Miguel High – July 28, 2026

195 students practicing on Varsity Tutors

SAT Prep

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students

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ACT Prep

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MATH

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SCI

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English

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Science

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Academic Grades

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Academic Resources

Typical courses and practice resources for students at Mount Miguel 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 Mount Miguel High.

National Tests

August 7, 2026

SAT — National

Registration deadline

August 11, 2026

SAT — National

Late registration deadline

August 14, 2026

ACT — National

Registration deadline

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

+63 more national tests this school year

State Assessments

March 1, 2027 – June 30, 2027

CAASPP — Statewide Window

Testing window

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

8585 Blossom Ln., Spring Valley, CA 91977

Phone

(619)664-8400

Website

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District

Grossmont Union High School District

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