Ralls County R-II School District

21622 Hwy 19
Center, MO 63436-2195
(District boundaries shown in map)
: 
4/
10
Bottom 50%
For the 2026-27 school year, there is 1 public high school serving 251 students in Ralls County R-II School District. This district's average high testing ranking is 5/10, which is in the bottom 50% of public high schools in Missouri.
Public High School in Ralls County R-II School District have an average math proficiency score of 27% (versus the Missouri public high school average of 36%), and reading proficiency score of 52% (versus the 51% statewide average).
Public High School in Ralls County R-II School District have a Graduation Rate of 90%, which is more than the Missouri average of 89%.
The school with highest graduation rate is Mark Twain Sr. 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 6% of the student body (majority Black and Hispanic), which is less than the Missouri public high school average of 31% (majority Black).

Overview

This School District
This State (MO)
# Schools
3 Schools
743 Schools
# Students
800 Students
292,389 Students
# Teachers
66 Teachers
23,446 Teachers
Student-Teacher Ratio
12:1
12:1

Student By Grade

District Rank

Ralls County R-II School District, which is ranked within the bottom 50% of all 553 school districts in Missouri (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has increased from 90% over five school years.
This School District
State Average (MO)
#343 out of 555 school districts
(Bottom 50%)
34%
40%
38%
43%
25-29%
38%
(21-22)
≥95%
90%
(2022-23)
15.4%
20.5%

Students by Ethnicity:

0.09
0.50
% American Indian
n/a
n/a
% Asian
n/a
2%
% Hispanic
2%
9%
% Black
1%
15%
% White
96%
69%
% Hawaiian
n/a
n/a
% Two or more races
1%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $13,104 in this school district is less than the state median of $17,244. The school district revenue/student has grown by 5% over four school years.
The school district's spending/student of $14,346 is less than the state median of $16,653. The school district spending/student has grown by 8% over four school years.
This School District
This State (MO)
Total Revenue
$11 MM
$15,255 MM
Spending
$12 MM
$14,732 MM
Revenue / Student
$13,104
$17,244
Spending / Student
$14,346
$16,653

Best Ralls County R-II School District Public High Schools (2026-27)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mark Twain Sr. High School
(Math: 25-29% | Reading: 50-54%)
Rank:
6/
10
Top 50%
21622 Hwy 19
Center, MO 63436
(573) 267-3397
Gr: 9-12 | 251 students Student-teacher ratio: 12:1 Minority enrollment: 6%

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Quick Facts (2026-27)

  • District size: 3 schools
  • Grades: PK-12
  • Enrollment: 800 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 4%
  • : ≥95% (Btm 50% in MO)
  • : Bottom 50%
  • : 34% (Btm 50%)
  • : 38% (Btm 50%)
  • : 25-29% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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