Heritage High School

Littleton School District No. 6 in the county of Arapahoe

Littleton, Colorado

1,754 students

High School, Grades 9–12

(303)347-7600

#22

Best ACT in Colorado High Schools

1,754

Students

20.7:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg SAT Score

1,220

A-

out of 1600

Good

Avg ACT Score

out of 36

Excellent

AP Courses

A+

courses offered

Excellent

AP Enrollment

40%

B-

of students

Excellent

Student-Teacher Ratio

21:1

B-

students per teacher

Average

This Week at Heritage – April 14, 2026

236 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 Heritage 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

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School Details

Address

1401 West Geddes Avenue, Littleton, CO 80120

Phone

(303)347-7600

District

Littleton School District No. 6 in the county of Arapahoe

Academic Calendar

2025-2026

Important dates, holidays, and school events

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Other Schools in District

East Elementary School

Goddard Middle School

Heritage High School

Moody Elementary School

Littleton High School

Hopkins Elementary School