For the 2026-27 school year, there are 9 public schools serving 2,465 students in Clark County, IL (there are 1 private school, serving 30 private students). 99% of all K-12 students in Clark County, IL are educated in public schools (compared to the IL state average of 88%).
The top-ranked public schools in Clark County, IL are Marshall Jr High School, Monroe Elementary School and North Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clark County, IL public schools have an average math proficiency score of 24% (versus the Illinois public school average of 27%), and reading proficiency score of 31% (versus the 30% statewide average). Schools in Clark County have an average ranking of 7/10, which is in the top 50% of Illinois public schools.
Minority enrollment is 6% of the student body (majority Hispanic), which is less than the Illinois public school average of 55% (majority Hispanic).
Best Public Schools in Clark County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Marshall Jr High School
(Math: 25-29% | Reading: 40-44%)
Rank:
Rank:
8/
Top 30%10
806 N 6th St
Marshall, IL 62441
(217) 826-2812
Marshall, IL 62441
(217) 826-2812
Gr: 7-8 | 186 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Rank: #22.
Monroe Elementary School
(Math: 27% | Reading: 32%)
Rank:
Rank:
7/
Top 50%10
301 E Monroe Ave
Casey, IL 62420
(217) 932-2178
Casey, IL 62420
(217) 932-2178
Gr: PK-6 | 530 students Student-teacher ratio: 18:1 Minority enrollment: 6%
Rank: #33.
North Elementary School
(Math: 31% | Reading: 30%)
Rank:
Rank:
7/
Top 50%10
1001 N 6th St
Marshall, IL 62441
(217) 826-2355
Marshall, IL 62441
(217) 826-2355
Gr: 3-6 | 339 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #44.
Casey-westfield Jr/sr High School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
6/
Top 50%10
306 E Edgar Ave
Casey, IL 62420
(217) 932-2175
Casey, IL 62420
(217) 932-2175
Gr: 7-12 | 361 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Rank: #55.
Marshall High School
(Math: 15-19% | Reading: 35-39%)
Rank:
Rank:
6/
Top 50%10
806 N 6th St
Marshall, IL 62441
(217) 826-2395
Marshall, IL 62441
(217) 826-2395
Gr: 9-12 | 350 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Rank: #66.
Martinsville Jr- Sr High School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
3/
Bottom 50%10
300 W Cumberland
Martinsville, IL 62442
(217) 382-4132
Martinsville, IL 62442
(217) 382-4132
Gr: 7-12 | 146 students Student-teacher ratio: 9:1 Minority enrollment: 5%
Rank: #77.
Martinsville Elementary School
(Math: 6-9% | Reading: 15-19%)
Rank:
Rank:
3/
Bottom 50%10
410 E Kendall St
Martinsville, IL 62442
(217) 382-4116
Martinsville, IL 62442
(217) 382-4116
Gr: PK-6 | 238 students Student-teacher ratio: 14:1 Minority enrollment: 7%
Rank: n/an/a
H E L P Marshall
Special Education School
815 S 9th St
Marshall, IL 62441
(217) 826-5805
Marshall, IL 62441
(217) 826-5805
Gr: PK
Rank: n/an/a
805 S 6th St
Marshall, IL 62441
(217) 826-5411
Marshall, IL 62441
(217) 826-5411
Gr: PK-2 | 306 students Student-teacher ratio: 13:1 Minority enrollment: 8%
Clark County Public Schools (Closed)
School
Location
Quick Facts
401 East Main St
Casey, IL 62420
(217) 932-2177
Casey, IL 62420
(217) 932-2177
Gr: 7-8 | 153 students Student-teacher ratio: 17:1 Minority enrollment: 5%
H E L P Martinsville Elementary School (Closed 2023)
Special Education School
Po Box 396
Martinsville, IL 62442
(217) 382-4338
Martinsville, IL 62442
(217) 382-4338
300 West Cumberland
Martinsville, IL 62442
(217) 382-4132
Martinsville, IL 62442
(217) 382-4132
Gr: 7-8
Frequently Asked Questions
What are the top-ranked public schools in Clark County, IL?
The top-ranked public schools in Clark County, IL include Marshall Jr High School, Monroe Elementary School and North Elementary School.
How many public schools are located in Clark County?
9 public schools are located in Clark County.
What percentage of students in Clark County go to public school?
99% of all K-12 students in Clark County are educated in public schools (compared to the IL state average of 88%).
What is the racial composition of students in Clark County?
Clark County public schools minority enrollment is 6% of the student body (majority Hispanic), which is less than the Illinois public schools average of 55% (majority Hispanic).
Which public schools in Clark County are often viewed compared to one another?
Popular comparisons of public schools in Clark County include: South Elementary School vs. North Elementary School, Martinsville Jr- Sr High School vs. Casey-westfield Jr/sr High School, Monroe Elementary School vs. Martinsville Elementary School
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