For the 2026 school year, there are 2 public high schools serving 405 students in St. Clair County, MO.
The top-ranked public high schools in St. Clair County, MO are Osceola Jr.-sr. High School and Appleton City High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
St. Clair County, MO public high schools have an average math proficiency score of 30% (versus the Missouri public high school average of 36%), and reading proficiency score of 32% (versus the 51% statewide average). High schools in St. Clair County have an average ranking of 1/10, which is in the bottom 50% of Missouri public high schools.
St. Clair County, MO public high school have a Graduation Rate of 83%, which is less than the Missouri average of 89%.
The school with highest graduation rate is Osceola Jr.-sr. High School, with 80-89% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.
Minority enrollment is 6% of the student body (majority Hispanic and Black), which is less than the Missouri public high school average of 30% (majority Black).
Best Public High Schools in St. Clair County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Osceola Jr.-sr. High School
(Math: 35-39% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
76 Se Hwy Ww
Osceola, MO 64776
(417) 646-8144
Osceola, MO 64776
(417) 646-8144
Gr: 7-12 | 247 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #22.
Appleton City High School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
408 W 4th
Appleton City, MO 64724
(660) 476-2118
Appleton City, MO 64724
(660) 476-2118
Gr: 7-12 | 158 students Student-teacher ratio: 9:1 Minority enrollment: 6%
St. Clair County Public Schools (Closed)
School
Location
Quick Facts
Po Box 126
Appleton City, MO 64724
(660) 476-2108
Appleton City, MO 64724
(660) 476-2108
Gr: K-6 | 186 students Student-teacher ratio: 12:1 Minority enrollment: 3%
Po Box 126
Appleton City, MO 64724
(660) 476-2108
Appleton City, MO 64724
(660) 476-2108
Gr: 6-8 | 104 students Minority enrollment: 2%
Frequently Asked Questions
What are the top-ranked public high schools in St. Clair County, MO?
The top-ranked public high schools in St. Clair County, MO include Osceola Jr.-sr. High School and Appleton City High School.
How many public high schools are located in St. Clair County?
2 public high schools are located in St. Clair County.
What is the racial composition of students in St. Clair County?
St. Clair County public high schools minority enrollment is 6% of the student body (majority Hispanic and Black), which is less than the Missouri public high schools average of 30% (majority Black).
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