About St Charles CUSD 303
St Charles CUSD 303 is a public school system serving Kane County, Illinois, based in Saint Charles. It serves 11,731 students across 18 schools spanning PreK–12, and is classified as a suburb: large district. By enrollment it is the #18 largest of Illinois’s 862 school systems.
Size and structure
St Charles CUSD 303 enrolls 11,731 students in 18 schools — an average of about 652 students per school. It serves grades PreK–12 and ranks #18 of 862 statewide by enrollment.
Who the district serves
Student race and ethnicity in St Charles CUSD 303, from the NCES Common Core of Data (11,731 students reported):
For economically-disadvantaged, English-learner, and special-education shares, plus school-by-school detail, see the federal sources in the full-data section.
Teachers & staff
St Charles CUSD 303 employs about 881 full-time-equivalent teachers for a student–teacher ratio of 13.3:1 — below the Illinois average of about 13.6:1, meaning comparatively smaller classes. Total district staff is roughly 1,931.
Counselor and librarian/media counts are not published at the district level in the current NCES release; see the federal full-data links for staffing detail.
How Illinois funds schools
District-level per-pupil spending and the local/state/federal revenue split for St Charles CUSD 303 are published in the federal school-finance files — see the full-data links below for the current figures.
Report card & state results
Illinois publishes the Illinois Report Card each year, reporting achievement and growth in English language arts and math, graduation, attendance, finances and climate, and assigns each school a summative designation (Exemplary, Commendable, Targeted or Comprehensive Support). Look up St Charles CUSD 303 on the Illinois Report Card.
Accreditation status
Illinois does not use an outside accreditor for public districts; the Illinois State Board of Education grants official recognition status based on compliance with state standards, and private accreditation (for example through Cognia) is voluntary. See ISBE’s public-school recognition.
St Charles CUSD 303 vs. Illinois
See every Illinois district side by side in the Illinois directory.
Look up St Charles CUSD 303’s full data
These official sources carry the district-level detail — finances, discipline, equity, test scores, boundaries. Direct links for this district (via its NCES ID):