Jefferson C-123 School District

37614 Us Hwy 136
Conception Jct, MO 64434-0112
(District boundaries shown in map)
10/
10
Top 10%

Top Rankings

Jefferson C-123 School District ranks among the top 20% of public school district in Missouri for:

Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 5%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2025-26 school year, there are 2 public schools serving 135 students in Jefferson C-123 School District. This district's average testing ranking is 10/10, which is in the top 10% of public schools in Missouri.
Public Schools in Jefferson C-123 School District have an average math proficiency score of 53% (versus the Missouri public school average of 40%), and reading proficiency score of 58% (versus the 43% statewide average).
Minority enrollment is 1% of the student body (majority Black), which is less than the Missouri public school average of 32% (majority Black).

Overview

This School District
This State (MO)
# Schools
2 Schools
2,474 Schools
# Students
135 Students
891,639 Students
# Teachers
19 Teachers
69,801 Teachers
Student-Teacher Ratio
7:1
7:1

Student By Grade

District Rank

Jefferson C-123 School District, which is ranked within the top 10% 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 50% has decreased from 80% over five school years.
This School District
State Average (MO)
#54 out of 555 school districts
(Top 10%)
53%
40%
50-54%
43%
50-59%
38%
(21-22)
≥50%
90%

Students by Ethnicity:

0.03
0.51
% American Indian
n/a
n/a
% Asian
n/a
2%
% Hispanic
n/a
8%
% Black
1%
15%
% White
99%
68%
% Hawaiian
n/a
1%
% Two or more races
n/a
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $19,326 is higher than the state median of $15,081. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $17,156 is higher than the state median of $13,908. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (MO)
Total Revenue
$3 MM
$13,447 MM
Spending
$2 MM
$12,401 MM
Revenue / Student
$19,326
$15,081
Spending / Student
$17,156
$13,908

Best Jefferson C-123 School District Public Schools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Jefferson Elementary School
(Math: 60-69% | Reading: 60-69%)
Rank:
10/
10
Top 5%
37614 Us Hwy 136
Conception Junction, MO 64434
(660) 944-2417
Gr: PK-6 | 77 students Student-teacher ratio: 8:1 Minority enrollment: 1%
Rank: #22.
Jefferson High School
(Math: 21-39% | Reading: 40-59%)
Rank:
5/
10
Bottom 50%
37614 Us Hwy 136
Conception Junction, MO 64434
(660) 944-2316
Gr: 7-12 | 58 students Student-teacher ratio: 6:1 Minority enrollment: 2%

Frequently Asked Questions

How many schools belong to Jefferson C-123 School District?
Jefferson C-123 School District manages 2 public schools serving 135 students.
What is the rank of Jefferson C-123 School District?
Jefferson C-123 School District is ranked #44 out of 553 school districts in Missouri (top 10%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Missouri school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 20%), Highest science proficiency (Top 5%) and Lowest student-teacher ratio (Top 1%)
What is the racial composition of students in Jefferson C-123 School District?
99% of Jefferson C-123 School District students are White, and 1% of students are Black.
What is the student/teacher ratio of Jefferson C-123 School District?
Jefferson C-123 School District has a student/teacher ratio of 7:1, which is lower than the Missouri state average of 13:1.
What is Jefferson C-123 School District's spending/student ratio?
The school district's spending/student of $17,156 is higher than the state median of $13,908. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2025-26)

  • District size: 2 schools
  • Grades: PK-12
  • Enrollment: 135 students
  • Student-Teacher Ratio: 7:1
  • Minority Enrollment: 1%
  • : ≥50% (Btm 50% in MO)
  • : Top 10%
  • : 53% (Top 20%)
  • : 50-54% (Top 20%)
  • : 50-59% (Top 5%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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