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Average

#2007 of 3,813 schools in IL

Southbury Elem School

Elementary School · CUSD 308

820 Preston Ln, Oswego, IL 60543

Enrollment

605

Student-Teacher

15.5:1

Score

6.2

Grades

Kindergarten – 5th

Updated 2022-23

How this school compares

In Oswego

#6 of 12

public schools

Illinois elementary schools

#1,234 of 2,326

In district

#9 of 21

CUSD 308

Academic performance

7.2 / 10

Strong

About Southbury Elem School

Southbury Elem School in Oswego, Illinois, is a regular public elementary school serving kindergarten through fifth grade students. With an enrollment of 605 students and a student-teacher ratio of 15.5:1, Southbury offers a supportive learning environment with 39 full-time equivalent teachers dedicated to their students' education. The school's MySchoolScout rating is 6.7 out of 10, reflecting its place in the 76th percentile among Illinois schools, which places it solidly above average statewide.

Academically, Southbury Elem School scores a 7.7/10 on the MySchoolScout scale, with 39% of students proficient or above in both English Language Arts and Math. While there is room for improvement, the school is actively working to enhance student performance and support learning across all grade levels. Southbury Elem School is situated in a large suburban area, providing a safe and engaging environment for its young learners.

The community around the school offers a blend of residential areas and local amenities, creating an ideal setting for families looking for quality education close to home.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.3Above Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-3.5 pts/yr
Data Period2019–2022
TrendDeclining
Academics7.2Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency33%
Reading/ELA Proficiency38%
Overall Proficiency36%
Expected (poverty-adj.)39%
vs. Expected-4.0 pts
Adjusted Percentile59th
College ReadinessNot Available

Data not available for this school

Resources & Environment4.5Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.5:1
Per-Pupil Spending$16,181

Southbury Elem School — Students at Southbury Elem School score 36% proficient, which is below what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

20.8%

Students qualifying for federal meal assistance

Test Scores IL EDFACTS (2021-22)

Math Proficiency 39.0%
School
State
N/A
ELA Proficiency 39.3%
School
State
N/A

Based on 5 test records from IL state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
45%
ELA
41%
2021*
Math
33%
ELA
39%
2022
ELA
38%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.3/10.

How Southbury Elem School Compares

See how Southbury Elem School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.2/10
47th percentile in IL
Academic
7.2/10
7.2/10
Growth
6.3/10
Above average
Environment
4.5/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
21%
Teaching Staff
16:1 student-teacher ratio
39 teachers

Location

820 Preston Ln, Oswego, IL 60543

Nearby Alternatives

Families considering Southbury Elem School may also want to explore other elementary schools in the area. Prairie Point Elem School (rated 7.6/10, 1.3 miles away), which scores notably higher. Another option is Boulder Hill Elem School (rated 6.5/10, 2.1 miles away, in nearby Montgomery), with a very similar rating. Additionally, Fox Chase Elementary School (rated 6.5/10, 2.1 miles away), with a very similar rating. For more schools in Oswego, see our Oswego schools guide .

Nearby Schools

20 within 3.8 mi
School Distance Rating
Traughber Jr High School Oswego 0.8 mi 4.1
Oswego High School Oswego 0.8 mi 6.1
Thompson Jr High School Oswego 1.2 mi 4.9
Prairie Point Elem School Oswego 1.3 mi 7.6
Old Post Elementary School Oswego 1.7 mi 5.5
Long Beach Elem School Montgomery 2.1 mi 3.8
Plank Junior High Oswego 1.7 mi 5.1
Boulder Hill Elem School Montgomery 2.1 mi 6.5
Churchill Elem School Oswego 1.7 mi 6.2
Brokaw Early Learning Center Oswego 1.9 mi 5.3
Fox Chase Elementary School Oswego 2.1 mi 6.5
Oswego East High School Oswego 2.7 mi 7.0
Rose E Krug Elem School Aurora 3.6 mi 5.6
Nicholson Elem School Montgomery 3.7 mi 6.1
G N Dieterich Elem School Aurora 3.7 mi 4.2
Hunt Club Elem Oswego 3.2 mi 6.4
C M Bardwell Elem School Aurora 4.5 mi 4.7
POPE ST. JOHN PAUL II CATH. ACADEMY-SOUTH CAMPUS Aurora 4.4 mi 5.0
John Gates Elem School Aurora 4.4 mi 5.6
Murphy Junior High School Plainfield 3.8 mi 5.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 60543 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$116,507

Median Home Value

$319,300

Median Rent

$1,558/mo

Population

41,723

College Educated

42.3%

Homeownership

86.2%

Avg Commute

30 min

Poverty Rate

2.7%

Median Age

39.2

Community Profile

The community surrounding Southbury Elem School has a median household income of $116,507. It is a well-educated community where 42% of adults hold a bachelor's degree or higher. The median home value in the area is $319,300, with a median rent of $1,558/month. The local poverty rate of 2.7% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Academy for Global Citizenship Chicago, IL 6.2
American Dreamer STEM Academy Decatur, IL 6.2
Benjamin Elem School Bloomington, IL 6.2
Big Hollow Primary School Ingleside, IL 6.2
Budlong Elem School Chicago, IL 6.2
Churchill Elem School Oswego, IL 6.2

Frequently Asked Questions

Common questions about Southbury Elem School

What grades does Southbury Elem School serve?

Southbury Elem School serves students in grades Kindergarten through 5th.

How many students attend Southbury Elem School?

Southbury Elem School has an enrollment of approximately 605 students.

What is the student-teacher ratio at Southbury Elem School?

The student-teacher ratio at Southbury Elem School is 15.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Southbury Elem School rank in IL?

Southbury Elem School is ranked #2007 out of 3,813 schools in IL.

What is Southbury Elem School's MySchoolScout rating?

Southbury Elem School has a composite rating of 6.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Southbury Elem School?

Based on the most recent state assessment data, Southbury Elem School has 39.0% math proficiency and 39.3% reading/ELA proficiency.

Is Southbury Elem School a charter school?

No, Southbury Elem School is not a charter school. It is a traditional public school operated by the local school district.

Is Southbury Elem School a Title I school?

No, Southbury Elem School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Southbury Elem School?

20.8% of students at Southbury Elem School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
Average (589/100K)

FBI UCR 2024. City-level (Oswego). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
605
Student-Teacher Ratio
15.5:1
Teachers (FTE)
39
Free/Reduced Lunch
20.8%
Type
regular
Setting
Large Suburb
County
Kendall County
Data Year
2023–2024

District

CUSD 308
District Enrollment
16,851
Schools in District
22
Per-Pupil Spending
$16,904
District Rank
#9 of 21

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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