Thompson Middle School

Set in Saint Charles, Illinois, Thompson Middle School is a roomy 6-8 campus, part of St Charles CUSD 303. It works with 1,364 students across grades 6 through 8. That puts it 195% bigger than the typical public school in Illinois, which averages around 462 students.

Within St Charles CUSD 303, which oversees 16 schools and 11,952 students, Thompson Middle School is one campus in the system.

Looking at the student body, Thompson Middle School shows that White students make up the majority at 73%. The remainder breaks down as 14% Hispanic, 6% Asian, 5% multiracial. By comparison, Kane County as a whole is about 58% White, so the school skews noticeably more White than its surroundings.

On the resource side, Staff filings list 100 full-time-equivalent teachers, which works out to roughly 13.7:1 students per teacher. The state averages about 13.0:1, putting this campus right in line with peers. About 19% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Kane County's rate of about 48%.

On a demographically-adjusted basis, Thompson Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 60.5%, the actual is 69.8%, a residual of +9.2 points.

In the area at large, Kane County reports that the typical household earns roughly $103,163 per year, roughly 38% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. Across Kane County's 167 public schools (combined enrollment of about 87,252 students), Thompson Middle School is one campus in the mix.

Nearest neighbor: Richmond Elementary School, around 0.3 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 5 schools in that immediate cluster with test data (this one included), Thompson Middle School ranks 2nd on composite proficiency, higher than the local average of 65.0%.

Geographically, the school is in a bedroom-community area.

Five-year trend. Over the past 7-year window, the student count shrank 17%: 1,641 students in 2018 compared to 1,364 in 2025. The White share of enrollment shrank from 78% to 73% over that span.

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. Contributors range from current parents to recent graduates and teachers.