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South Carolina
Richland 01
C. A. Johnson High

Richland 01

C. A. Johnson High

Columbia, South Carolina

364 students

High School, Grades 9–12

(803)253-7092School Website

#25

Best Student:Teacher Ratio in South Carolina

364

Students

11:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg ACT Score

14

C

out of 36
Below Avg
AP Courses

1

C+

courses offered
Average
AP Enrollment

2%

C

of students
Below Avg
Student-Teacher Ratio

11:1

A

students per teacher
Excellent
This Week at C. A. Johnson High – August 19, 2026

45 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 C. A. Johnson 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 C. A. Johnson 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 C. A. Johnson High.

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

State Assessments

September 1, 2026 – October 15, 2026

KRA

Testing window
SC

November 30, 2026 – January 22, 2027

EOCEP

Testing window
SC

January 25, 2027 – March 19, 2027

KRA

Testing window
SC
See the full national test & school calendar
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School Details
Address

2219 Barhamville Road, Columbia, SC 29204

Phone

(803)253-7092

Website

Visit Website

District

Richland 01

Academic Calendar
2026-27

Important dates, holidays, and school events

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