For the 2026 school year, there are 4 public middle schools serving 1,138 students in Marion County, MO.
The top-ranked public middle schools in Marion County, MO are Mississippi Valley School, Hannibal Middle School and Marion Co. High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Marion County, MO public middle schools have an average math proficiency score of 46% (versus the Missouri public middle school average of 39%), and reading proficiency score of 36% (versus the 40% statewide average). Middle schools in Marion County have an average ranking of 6/10, which is in the top 50% of Missouri public middle schools.
Minority enrollment is 13% of the student body (majority Black), which is less than the Missouri public middle school average of 31% (majority Black).
Best Public Middle Schools in Marion County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mississippi Valley School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
312 Munger Ln
Hannibal, MO 63401
(573) 248-2627
Hannibal, MO 63401
(573) 248-2627
Gr: K-12 | 26 students Student-teacher ratio: 7:1 Minority enrollment: 16%
Rank: #22.
Hannibal Middle School
(Math: 49% | Reading: 36%)
Rank:
Rank:
6/
Top 50%10
4700 Mcmasters Ave
Hannibal, MO 63401
(573) 221-5840
Hannibal, MO 63401
(573) 221-5840
Gr: 6-8 | 656 students Student-teacher ratio: 10:1 Minority enrollment: 18%
Rank: #33.
Marion Co. High School
(Math: 40-49% | Reading: 30-39%)
Rank:
Rank:
5/
Bottom 50%10
2905 Hwy D
Philadelphia, MO 63463
(573) 439-5913
Philadelphia, MO 63463
(573) 439-5913
Gr: 7-12 | 112 students Student-teacher ratio: 9:1 Minority enrollment: 4%
Rank: #44.
Palmyra Middle School
(Math: 39% | Reading: 35%)
Rank:
Rank:
4/
Bottom 50%10
600 W Line St
Palmyra, MO 63461
(573) 769-2174
Palmyra, MO 63461
(573) 769-2174
Gr: 5-8 | 344 students Student-teacher ratio: 13:1 Minority enrollment: 7%
Marion County Public Schools (Closed)
School
Location
Quick Facts
Mississippi Valley (Closed 2023)
Special Education School
312 Munger Lane
Hannibal, MO 63401
(573) 221-1857
Hannibal, MO 63401
(573) 221-1857
Gr: Inquire with school | 27 students Student-teacher ratio: 5:1 Minority enrollment: 15%
Frequently Asked Questions
What are the top-ranked public middle schools in Marion County, MO?
The top-ranked public middle schools in Marion County, MO include Mississippi Valley School, Hannibal Middle School and Marion Co. High School.
How many public middle schools are located in Marion County?
4 public middle schools are located in Marion County.
What is the racial composition of students in Marion County?
Marion County public middle schools minority enrollment is 13% of the student body (majority Black), which is less than the Missouri public middle schools average of 31% (majority Black).
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