Public schools in St Charles, IL
12 open public schools with an address in St Charles, operated by 3 education agencies. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
12
NCES preliminary directory 2025–26
Reported students
Not reported
6 schools reporting · NCES 2024–25
Median student–teacher ratio
0:1
Illinois median 13:1
Charter schools
0
0 virtual
An overview of St Charles public schools
The federal directory lists 12 public schools in St Charles, IL: 5 high, 7 combined or other. The largest campus is Compass Academy (0 students).
Mid-Valley Special Ed Coop operates the most schools here (6), plus 2 charter, service, or other agencies. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 0:1, lower than the statewide school median of 13:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
Among 3 high and combined schools with 2021–22 civil-rights data, 1 reported students enrolled in AP courses and 1 of 3 reported computer-science classes. Confirm current course catalogs directly with each school.
School districts and agencies serving St Charles
High schools in St Charles
5| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Compass Academy Kane ROE · Alternative School | 09–12 | 0 | — | |
| Compass Academy St Charles CUSD 303 · Alternative School | 09–12 | 0 | 0:1 | |
| Mades-Johnstone RSSP Kane ROE · Alternative School | 06–12 | 0 | — | |
| Northeast Academy East Kane ROE · Alternative School | 09–12 | 0 | — | |
| Northeast Academy North Kane ROE · Alternative School | 09–12 | 0 | — |
Combined, early-childhood, and other schools in St Charles
7| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Mades-Johnstone Center Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| Mades-Johnstone Center-INT Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| Mid-Valley Satellite Classes Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| Mid-Valley Satellite Classes-INT Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| Mid-Valley Transition Program Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| Mid-Valley Transition Program-INT Mid-Valley Special Ed Coop · Special Education School | Not reported | — | — | |
| New Directions Program Kane ROE · Alternative School | 04–12 | 0 | — |
Questions about public schools in St Charles
How many public schools are in St Charles, IL?
The current NCES directory lists 12 open public schools with a location address in St Charles: 5 high, 7 combined or other. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve St Charles?
Schools with an address in St Charles belong to 3 education agencies, led by Mid-Valley Special Ed Coop (6 schools), Kane ROE (5 schools), St Charles CUSD 303 (1 school). A mailing city is not an attendance boundary; confirm the district for a specific address.
What is the largest public high school in St Charles?
Compass Academy reported the largest high-school enrollment in St Charles, with 0 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in St Charles?
No school with an address in St Charles is identified as a charter school in the current NCES directory. Families may still have charter or virtual options elsewhere in Illinois.
What is the typical student–teacher ratio in St Charles schools?
The median reported student–teacher ratio across St Charles public schools is 0:1, lower than the Illinois school median of 13:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in St Charles guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Illinois cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Illinois cities