For the 2026 school year, there are 3 public high schools serving 448 students in Sullivan County, MO.
The top-ranked public high schools in Sullivan County, MO are Green City High School, Newtown-harris High School and Milan C-2 High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sullivan County, MO public high schools have an average math proficiency score of 34% (versus the Missouri public high school average of 36%), and reading proficiency score of 43% (versus the 51% statewide average). High schools in Sullivan County have an average ranking of 4/10, which is in the bottom 50% of Missouri public high schools.
Sullivan County, MO public high school have a Graduation Rate of 88%, which is less than the Missouri average of 89%.
The school with highest graduation rate is Milan C-2 High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.
Minority enrollment is 35% of the student body (majority Hispanic), which is more than the Missouri public high school average of 30% (majority Black).
Best Public High 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.
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: #33.
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%
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 high schools in Sullivan County, MO?
The top-ranked public high schools in Sullivan County, MO include Green City High School, Newtown-harris High School and Milan C-2 High School.
How many public high schools are located in Sullivan County?
3 public high schools are located in Sullivan County.
What is the racial composition of students in Sullivan County?
Sullivan County public high schools minority enrollment is 35% of the student body (majority Hispanic), which is more than the Missouri public high schools average of 30% (majority Black).
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