For the 2026 school year, there are 7 public schools serving 1,046 students in Sullivan County, MO.
The top-ranked public schools in Sullivan County, MO are Green City High School, Grundy Co. Elementary School and Newtown-harris High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sullivan County, MO public schools have an average math proficiency score of 35% (versus the Missouri public school average of 40%), and reading proficiency score of 37% (versus the 43% statewide average). Schools in Sullivan County have an average ranking of 2/10, which is in the bottom 50% of Missouri public schools.
Minority enrollment is 35% of the student body (majority Hispanic), which is more than the Missouri public school average of 32% (majority Black).
Best Public Schools in Sullivan County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Green City High School
(Math: 55-59% | Reading: 50-59%)
Rank:
Rank:
9/
Top 20%10
301 N East St
Green City, MO 63545
(660) 874-4127
Green City, MO 63545
(660) 874-4127
Gr: 6-12 | 137 students Student-teacher ratio: 11:1 Minority enrollment: 10%
Rank: #22.
Grundy Co. Elementary School
(Math: 60-79% | Reading: 40-59%)
Rank:
Rank:
9/
Top 20%10
223 Jones St
Humphreys, MO 64646
(660) 673-6314
Humphreys, MO 64646
(660) 673-6314
Gr: PK-5 | 57 students Student-teacher ratio: 6:1 Minority enrollment: 2%
Rank: #33.
Newtown-harris High School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
5/
Bottom 50%10
306 N Main
Newtown, MO 64667
(660) 794-2245
Newtown, MO 64667
(660) 794-2245
Gr: 7-12 | 42 students Student-teacher ratio: 5:1 Minority enrollment: 9%
Rank: #44.
Green City Elementary School
(Math: 30-39% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
301 N East St
Green City, MO 63545
(660) 874-4126
Green City, MO 63545
(660) 874-4126
Gr: PK-5 | 138 students Student-teacher ratio: 10:1 Minority enrollment: 9%
Rank: #55.
Milan C-2 Elementary School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
373 S Market St
Milan, MO 63556
(660) 265-1403
Milan, MO 63556
(660) 265-1403
Gr: PK-6 | 361 students Student-teacher ratio: 13:1 Minority enrollment: 55%
Rank: #66.
Milan C-2 High School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
373 S Market St
Milan, MO 63556
(660) 265-1412
Milan, MO 63556
(660) 265-1412
Gr: 7-12 | 269 students Student-teacher ratio: 10:1 Minority enrollment: 51%
Rank: #77.
Newtown-harris Elementary School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
3/
Bottom 50%10
306 N Main
Newtown, MO 64667
(660) 794-2245
Newtown, MO 64667
(660) 794-2245
Gr: PK-6 | 42 students Student-teacher ratio: 5:1
Sullivan County Public Schools (Closed)
School
Location
Quick Facts
373 S Market St
Milan, MO 63556
(660) 265-1407
Milan, MO 63556
(660) 265-1407
Gr: 5-8 | 187 students Student-teacher ratio: 12:1 Minority enrollment: 43%
Frequently Asked Questions
What are the top-ranked public schools in Sullivan County, MO?
The top-ranked public schools in Sullivan County, MO include Green City High School, Grundy Co. Elementary School and Newtown-harris High School.
How many public schools are located in Sullivan County?
7 public schools are located in Sullivan County.
What is the racial composition of students in Sullivan County?
Sullivan County public schools minority enrollment is 35% of the student body (majority Hispanic), which is more than the Missouri public schools average of 32% (majority Black).
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