For the 2025-26 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 (2025-26)
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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