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Mark Twain Jr. High School

21622 Hwy 19
Center, MO 63436
(School attendance zone shown in map)
3/
10
Bottom 50%
Serving 195 students in grades 6-8, Mark Twain Jr. High School ranks in the bottom 50% of all schools in Missouri for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 34% (which is lower than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 30% (which is lower than the Missouri state average of 43%).
The student:teacher ratio of 14:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 3% of the student body (majority Hispanic), which is lower than the Missouri state average of 32% (majority Black).

Quick Stats (2025)

  • Grades: 6-8
  • Enrollment: 195 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 3%
  • : Bottom 50% in MO
  • : 34% (Btm 50%)
  • : 30% (Btm 50%)
  • : 20-24% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

School Overview

Mark Twain Jr. High School's student population of 195 students has grown by 7% over five school years.
The teacher population of 14 teachers has grown by 16% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
Total Students
195 students
Gender %
Total Classroom Teachers
14 teachers

School Rankings

Mark Twain Jr. High School ranks within the bottom 50% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Mark Twain Jr. High School is 0.06, which is less than the diversity score at state average of 0.51. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MO)
#1541 out of 2076 schools
(Bottom 50%)
34%
40%
30%
43%
20-24%
38%
Student : Teacher Ratio
14:1
12:1
American Indian
1%
n/a
Asian
n/a
2%
Hispanic
2%
8%
Black
n/a
15%
White
97%
68%
Hawaiian
n/a
1%
Two or more races
n/a
6%
All Ethnic Groups
0.06
Eligible for Free Lunch
26%
42%
Eligible for Reduced Lunch
5%
7%
School Statewide Testing
Source: National Center for Education Statistics (NCES), MO Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Mark Twain Jr. High School's ranking?
Mark Twain Jr. High School is ranked #1541 out of 2,076 schools, which ranks it among the bottom 50% of public schools in Missouri.
What percent of students have achieved state testing proficiency in math and reading?
34% of students have achieved math proficiency (compared to the 40% MO state average), while 30% of students have achieved reading proficiency (compared to the 43% MO state average).
How many students attend Mark Twain Jr. High School?
195 students attend Mark Twain Jr. High School.
What is the racial composition of the student body?
97% of Mark Twain Jr. High School students are White, 2% of students are Hispanic, and 1% of students are American Indian.
What is the student:teacher ratio of Mark Twain Jr. High School?
Mark Twain Jr. High School has a student ration of 14:1, which is higher than the Missouri state average of 12:1.
What grades does Mark Twain Jr. High School offer ?
Mark Twain Jr. High School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Mark Twain Jr. High School part of?
Mark Twain Jr. High School is part of Ralls County R-II School District.

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Quick Stats (2025)

  • Grades: 6-8
  • Enrollment: 195 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 3%
  • : Bottom 50%
  • : 34% (Btm 50%)
  • : 30% (Btm 50%)
  • : 20-24% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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