Serving 700 students in grades Prekindergarten-4, Central Primary School ranks in the top 10% of all schools in Illinois for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 45-49% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 15% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Prekindergarten-4
- Enrollment: 700 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 15%
- Overall Testing Rank: Top 10% in IL
- Math Proficiency: 55-59% (Top 10%)
- Reading Proficiency: 45-49% (Top 20%)
- Attendance Zone: Central Primary School's attendance zone covers the entire district in Washington, IL, encompassing approximately 13 square miles. Most families can expect a typical drive to the school of about 5-10 minutes, with an average distance of 2 miles to the zone's edge and a maximum distance of up to 5 miles.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Central Primary School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
School Overview
Central Primary School's student population of 700 students has grown by 25% over five school years.
The teacher population of 43 teachers has grown by 16% over five school years.
Grades Offered
Grades Prekindergarten-4
Total Students
700 students
Total Classroom Teachers
43 teachers
School Calendar
School Motto
Encourage Excellence Every Day with Compassion, Commitment and Community
School Rankings
Central Primary School ranks within the top 10% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Central Primary School is 0.27, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#337 out of 3542 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
55-59%
27%
Reading/Language Arts Test Scores (% Proficient)
45-49%
30%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
6%
29%
Black
3%
16%
White
85%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)4.9%
29.7%
Eligible for Free Lunch
7%
43%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Central Primary School's ranking?
Central Primary School is ranked #337 out of 3,542 schools, which ranks it among the top 10% of public schools in Illinois.
What schools are Central Primary School often compared to?
Central Primary Schoolis often viewed alongside schools like Sowers Elementary School, Lettie Brown Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 27% IL state average), while 45-49% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Central Primary School?
700 students attend Central Primary School.
What is the racial composition of the student body?
85% of Central Primary School students are White, 6% of students are Hispanic, 5% of students are Two or more races, 3% of students are Black, and 1% of students are Asian.
What is the student-teacher ratio of Central Primary School?
Central Primary School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Central Primary School offer ?
Central Primary School offers enrollment in grades Prekindergarten-4
What school district is Central Primary School part of?
Central Primary School is part of Central SD 51 School District.
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