Serving 676 students in grades Kindergarten-5, Southbury Elementary School ranks in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 36% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 38% (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 47% of the student body (majority Hispanic and Asian), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-5
- Enrollment: 676 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 47%
- Overall Testing Rank: Top 30% in IL
- Math Proficiency: 36% (Top 30%)
- Reading Proficiency: 38% (Top 30%)
- Science Proficiency: 70-74% (Top 20%)
- Attendance Zone: Southbury Elementary School serves the northwest part of Oswego, IL, covering an area of approximately 4.9 square miles. Most students live within a 5-10 minute drive of the school, with an average distance of 1.3 miles to the zone's edge and a maximum distance of 2.5 miles to the furthest boundary.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Southbury Elementary School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Science Proficiency
School Overview
Southbury Elementary School's student population of 676 students has grown by 28% over five school years.
The teacher population of 43 teachers has grown by 10% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
676 students
Total Classroom Teachers
43 teachers
School Calendar
School Rankings
Southbury Elementary School ranks within the top 30% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Southbury Elementary School is 0.66, 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
#912 out of 3542 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
36%
27%
Reading/Language Arts Test Scores (% Proficient)
38%
30%
Science Test Scores (% Proficient)
70-74%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
14%
6%
Hispanic
16%
29%
Black
11%
16%
White
53%
45%
Hawaiian
n/a
n/a
Two or more races
6%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)14.4%
29.7%
Eligible for Free Lunch
16%
43%
Eligible for Reduced Lunch (19-20)
1%
2%
School Statewide Testing
School District Name
Sports
School Mascot
Sharks
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Southbury Elementary School's ranking?
Southbury Elementary School is ranked #912 out of 3,542 schools, which ranks it among the top 30% of public schools in Illinois.
What schools are Southbury Elementary School often compared to?
Southbury Elementary Schoolis often viewed alongside schools like Boulder Hill Elementary School, Oliver Julian Kendall Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
36% of students have achieved math proficiency (compared to the 27% IL state average), while 38% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Southbury Elementary School?
676 students attend Southbury Elementary School.
What is the racial composition of the student body?
53% of Southbury Elementary School students are White, 16% of students are Hispanic, 14% of students are Asian, 11% of students are Black, and 6% of students are Two or more races.
What is the student-teacher ratio of Southbury Elementary School?
Southbury Elementary School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Southbury Elementary School offer ?
Southbury Elementary School offers enrollment in grades Kindergarten-5
What school district is Southbury Elementary School part of?
Southbury Elementary School is part of CUSD 308 School District.
In what neighborhood is Southbury Elementary School located?
Southbury Elementary School is located in the Southbury neighborhood of Oswego, IL.
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