Serving 161 students in grades Prekindergarten-6, Sparta Montessori School ranks in the bottom 50% of all schools in Wisconsin for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 20-24% (which is lower than the Wisconsin state average of 40%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is lower than the Wisconsin state average of 38%).
The student-teacher ratio of 18:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 27% of the student body (majority Hispanic), which is lower than the Wisconsin state average of 34% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten-6
- Enrollment: 161 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 27%
- Overall Testing Rank: Bottom 50% in WI
- Math Proficiency: 20-24% (Btm 50%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 21-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
School Overview
Sparta Montessori School's student population of 161 students has grown by 11% over five school years.
The teacher population of 9 teachers has grown by 12% over five school years.
School Type
Grades Offered
Grades Prekindergarten-6
(No virtual instruction)
(No virtual instruction)
Total Students
161 students
Total Classroom Teachers
9 teachers
School Rankings
Sparta Montessori School ranks within the bottom 50% of all 1,962 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Sparta Montessori School is 0.45, which is less than the diversity score at state average of 0.54. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1443 out of 1962 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20-24%
40%
Reading/Language Arts Test Scores (% Proficient)
30-34%
38%
Science Test Scores (% Proficient)
21-39%
44%
Student-Teacher Ratio
18:1
13:1
American Indian
n/a
1%
Asian
3%
4%
Hispanic
13%
14%
Black
2%
9%
White
73%
66%
Hawaiian
n/a
n/a
Two or more races
9%
6%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
25%
36%
Eligible for Reduced Lunch
5%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Frequently Asked Questions
What is Sparta Montessori School's ranking?
Sparta Montessori School is ranked #1443 out of 1,962 schools, which ranks it among the bottom 50% of public schools in Wisconsin.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 40% WI state average), while 30-34% of students have achieved reading proficiency (compared to the 38% WI state average).
How many students attend Sparta Montessori School?
161 students attend Sparta Montessori School.
What is the racial composition of the student body?
73% of Sparta Montessori School students are White, 13% of students are Hispanic, 9% of students are Two or more races, 3% of students are Asian, and 2% of students are Black.
What is the student-teacher ratio of Sparta Montessori School?
Sparta Montessori School has a student ration of 18:1, which is higher than the Wisconsin state average of 13:1.
What grades does Sparta Montessori School offer ?
Sparta Montessori School offers enrollment in grades Prekindergarten-6 (No virtual instruction).
What school district is Sparta Montessori School part of?
Sparta Montessori School is part of Sparta Area School District.
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