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Jefferson County School District No. R-1
Jefferson County Open Secondary

School District of Jefferson County School District No. R-1

Jefferson County Open Secondary

Lakewood, Colorado

317 students

High School, Grades 7–12

(303)982-7045School Website

317

Students

15.1:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

906

B-

out of 1600
Below Avg
Avg ACT Score

26

A-

out of 36
Good
Student-Teacher Ratio

15:1

B+

students per teacher
Good
Graduation Rate

84%

A

Excellent
This Week at Jefferson County Open Secondary – March 20, 2026

39 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 Jefferson County Open Secondary students
Academic Grades

Select a grade level to explore courses and resources

7
Grade
8
Grade
9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Jefferson County Open Secondary

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

Varsity Tutors

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SAT Prep

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ACT Prep

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1:1 Tutoring

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Practice Hub

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School Details
Address

7655 West 10th Avenue, Lakewood, CO 80215

Phone

(303)982-7045

Website

Visit Website

District

Jefferson County School District No. R-1

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Other Schools in District
Elk Creek Elementary School
West Jefferson Elementary School
Falcon Bluffs Middle School
Everitt Middle School
Alameda International Junior/Senior High School
Lawrence Elementary School