Southbury Elem School
#812 of 2,303 elementary schools in Illinois
#24782 of 50,301 nationally
About Southbury Elem School
Southbury Elem School is a public elementary located in Oswego, in the CUSD 308 school district of Illinois, United States. It caters for Grades K–5. In 2025 it enrolled 676 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 50.6 out of 100, placing it in the top 50% of elementary schools in United States and 812th of 2,303 ranked elementary schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (85th percentile), and its weakest is reading proficiency (34th percentile).
Other published figures: enrollment 676.
There are 12 schools in Oswego; Southbury Elem School ranks 7th of 11 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)45%
- Reading proficiency (30%)41%
- Community advantage (fewer free/reduced-price lunch) (25%)25.6%
- Students per teacher (15%)16.1
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Southbury Elem School by the official sources.
- Enrollment
- 676
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 25.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 41%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 45%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Southbury Elem School
Closest schools by straight-line distance, with their Success Index (US).
Traughber Jr High School
Oswego · Public middle · Grades 6–8
1,070 students · 1.2 km away
Oswego High School
Oswego · Public high · Grades 9–12
2,870 students · 1.3 km away
Thompson Jr High School
Oswego · Public middle · Grades 6–8
832 students · 1.9 km away
Prairie Point Elem School
Oswego · Public elementary · Grades K–5
455 students · 2.1 km away
Old Post Elementary School
Oswego · Public elementary · Grades K–5
387 students · 2.7 km away
Plank Junior High
Oswego · Public middle · Grades 6–8
595 students · 2.7 km away
Churchill Elem School
Oswego · Public elementary · Grades K–5
425 students · 2.8 km away
Brokaw Early Learning Center
Oswego · Public other · Grades PK–PK
345 students · 3.0 km away
Boulder Hill Elem School
Montgomery · Public elementary · Grades K–5
476 students · 3.3 km away
Long Beach Elem School
Montgomery · Public elementary · Grades PK–5
632 students · 3.4 km away
Similar schools
Public elementary schools in Illinois with a comparable Enrollment.
Cherry Valley Elementary School
Rockford · Public elementary · Grades K–5
676 students
May Whitney Elem School
Lake Zurich · Public elementary · Grades PK–5
677 students
Theodore Roosevelt Elem School
Park Ridge · Public elementary · Grades K–5
677 students
Wallin Oaks Elementary School
Plainfield · Public elementary · Grades K–5
677 students
Henry Winkelman Elem School
Glenview · Public elementary · Grades PK–5
677 students
Verda Dierzen Early Learning Ctr
Woodstock · Public elementary · Grades PK–2
675 students
Frequently asked questions
Is Southbury Elem School a good school?
Southbury Elem School has a Success Index (US) of 50.6 out of 100 (Top 50% of elementary schools in United States) and ranks #812 of 2,303 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Southbury Elem School rank in Illinois?
Southbury Elem School ranks #812 of 2,303 elementary schools in Illinois and #24782 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Southbury Elem School?
Southbury Elem School had 676 students in 2025.
Is Southbury Elem School a elementary school or a high school?
Southbury Elem School is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Southbury Elem School?
There are 10 schools within 15 km of Southbury Elem School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.