Mark Twain JR. High
Public
Middle Grades 6–8 C+School Grade
Part of Ralls County R-II School District
21622 Hwy 19, Center, MO 63436 · (573) 267-3397
Community ratings
Not rated yetBe the first neighbor to rate this school — an overall score plus Teachers, Communication, Safety and Activities.
Academic performance
Math proficiency32%
State average 35.3%
Reading / language arts42%
State average 45.2%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
194Students enrolled
15:1Student–teacher ratio
30%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 666
Grade 763
Grade 865
Students
White · 97%189
Hispanic · 1%2
Black · 1%1
American Indian/Alaska Native · 1%1
Two or more races · 1%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
188’20
200’21
202’22
195’23
194’24
Location
21622 Hwy 19 Center
Neighbor reviews
Sign in to rate this school.
School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.