Sangamon Valley Middle School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 54 of every 100 students at this school read and write at grade level and about 19 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 25 points since 2023, while math scores are up about 10 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 40% of students here test proficient in math and reading, compared with the roughly 35% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Sangamon Valley Middle School
Sangamon Valley Middle School is one of the very small middle-grades schools in Illiopolis, Illinois, run under Sangamon Valley CUSD 9, with 145 students on its rolls from grades 6 through 8. By comparison, Illinois's public schools average about 462 students each, so Sangamon Valley Middle School sits 69% below that benchmark.
Sangamon Valley CUSD 9 runs 4 schools in total, collectively educating 634 students. Sangamon Valley Middle School is one of those campuses.
On demographics, Sangamon Valley Middle School records that nearly all students (95%) are White. Beyond that, the school records 2% Hispanic. The wider county runs roughly 78% White, putting the school's mix noticeably more White than the area baseline.
Looking at the economic backdrop, On paper, Sangamon Valley Middle School has 13 full-time-equivalent teachers, translating to a class-load average of around 11.2:1. The state averages around 13.0:1, so this campus is tighter than the state norm typical. An estimated 63% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is north of Sangamon County's rate of about 48%.
On a demographically-adjusted basis, Sangamon Valley Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.3%; this one delivers 39.5%.
Around the school, ACS estimates for Sangamon County put median household earnings sit near $75,357, 37% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 9%. In all, Sangamon County runs 77 public schools (combined enrollment of about 27,345 students), of which Sangamon Valley Middle School is one.
The closest other public school is Sangamon Valley Intermediate Sch, roughly 0.0 miles away. Counting just inside five miles, 2 other public schools cluster around Sangamon Valley Middle School. Ranking that nearby cluster on reported proficiency puts Sangamon Valley Middle School at 6th of 8; the average score across the group is 48.9%.
Geographically, the school is in an outlying area.
Over the past 7-year window. Looking back 7 years, enrollment at Sangamon Valley Middle School has ticked down 10%, going from 161 students in 2018 to 145 in 2025.
Within the allk12 community for this school, the page collects discussion, questions, and updates around science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.
Sangamon County at a glance
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Related schools
- Sangamon Valley High SchoolHigh · 204 students
- Sangamon Valley Primary SchoolElementary · 170 students
- Sangamon Valley Intermediate SchElementary · 115 students
- Sangamon Valley Intermediate SchElementary · 115 students
- Sangamon Valley Intermediate Sch0.0 mi · 115
- Sangamon Valley High School4.5 mi · 204
- Sangamon Valley Primary School8.4 mi · 170
- Tri-City High School8.9 mi · 154
- Tri-City Jr High School8.9 mi · 137
- Tri-City Elem School8.9 mi · 273