Belvidere South Middle School
🇺🇸 Official data · 2025Belvidere, Illinois 61008 · Belvidere CUSD 100
#508 of 670 middle schools in Illinois
#12229 of 15,369 nationally
About Belvidere South Middle School
Belvidere South Middle School is a public middle located in Belvidere, in the Belvidere CUSD 100 school district of Illinois, United States. It caters for Grades 6–8. In 2025 it enrolled 754 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 28.3 out of 100, placing it in the lower 50% of middle schools in United States and 508th of 670 ranked middle schools in Illinois. Its strongest component is students per teacher (89th percentile), and its weakest is math proficiency (7th percentile).
Other published figures: enrollment 754.
There are 9 schools in Belvidere; Belvidere South Middle School ranks 4th of 9 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)15%
- Reading proficiency (30%)26%
- Community advantage (fewer free/reduced-price lunch) (25%)65.1%
- Students per teacher (15%)10.6
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 Belvidere South Middle School by the official sources.
- Enrollment
- 754
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 65.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 26%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 15%
- Share of tested students proficient or above (all students, all grades).
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Schools near Belvidere South Middle School
Closest schools by straight-line distance, with their Success Index (US).
Belvidere High School
Belvidere · Public high · Grades 9–12
1,167 students · 337 m away
Meehan Elementary School
Belvidere · Public elementary · Grades PK–5
688 students · 442 m away
Washington Academy
Belvidere · Public elementary · Grades PK–5
721 students · 1.6 km away
Perry Elem School
Belvidere · Public elementary · Grades PK–5
284 students · 2.4 km away
Lincoln Elem School
Belvidere · Public elementary · Grades PK–5
573 students · 3.2 km away
Belvidere Central Middle School
Belvidere · Public middle · Grades 6–8
911 students · 4.6 km away
Seth Whitman Elem Sch
Belvidere · Public elementary · Grades K–5
622 students · 5.0 km away
Belvidere North High Sch
Belvidere · Public high · Grades 9–12
1,354 students · 5.5 km away
Cherry Valley Elementary School
Rockford · Public elementary · Grades K–5
676 students · 13 km away
Poplar Grove Elem School
Poplar Grove · Public elementary · Grades K–4
251 students · 14 km away
Similar schools
Public middle schools in Illinois with a comparable Enrollment.
Marquardt Middle School
Glendale Hts · Public middle · Grades 6–8
754 students
Hinsdale Middle School
Hinsdale · Public middle · Grades 6–8
755 students
Eastview Middle School
Bartlett · Public middle · Grades 7–8
757 students
Lincoln Middle School
Park Ridge · Public middle · Grades 6–8
749 students
Highcrest Middle School
Wilmette · Public middle · Grades 5–6
748 students
Cary Jr High School
Cary · Public middle · Grades 6–8
761 students
Frequently asked questions
Is Belvidere South Middle School a good school?
Belvidere South Middle School has a Success Index (US) of 28.3 out of 100 (Lower 50% of middle schools in United States) and ranks #508 of 670 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 Belvidere South Middle School rank in Illinois?
Belvidere South Middle School ranks #508 of 670 middle schools in Illinois and #12229 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Belvidere South Middle School?
Belvidere South Middle School had 754 students in 2025.
Is Belvidere South Middle School a elementary school or a high school?
Belvidere South Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Belvidere South Middle School?
There are 10 schools within 15 km of Belvidere South Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.