John Marshall High School

Oklahoma City Public Schools

Oklahoma City, Oklahoma

829 students

High School, Grades 9–12

(405)587-7200 School Website

829

Students

15.4:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg ACT Score

out of 36

Average

AP Courses

A-

courses offered

Good

AP Enrollment

15%

of students

Average

Student-Teacher Ratio

15:1

B+

students per teacher

Good

This Week at John Marshall – August 19, 2026

107 students practicing on Varsity Tutors

SAT Prep

1520

students

Start practicing →

ACT Prep

ENG

MATH

READ

SCI

students

Start practicing →

Math

students

Start practicing →

English

students

Start practicing →

Science

students

Start practicing →

Explore practice resources for John Marshall students

Academic Grades

Select a grade level to explore courses and resources

Academic Resources

Typical courses and practice resources for students at John Marshall High School

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 John Marshall High School.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline

+76 more national tests this school year

See the full national test & school calendar

Varsity Tutors

Unlock Academic Success

Personalized learning support for John Marshall High School 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 Oklahoma City

Live Classes

Join interactive group sessions with expert instructors

Practice Hub

Thousands of flashcards and learning resources

School Details

Address

12201 North Portland Avenue, Oklahoma City, OK 73120

Phone

(405)587-7200

Website

Visit Website

District

Oklahoma City Public Schools

Need Academic Help?

Get matched with expert tutors for any subject

Find a Tutor

Other Schools in District