School District · Illinois
Center Cass School District 66
📍 Downers Grove, IL · DuPage County · NCES LEAID 1708970
District Contact & Information
Source: NCES CCD 2024–25
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District Mailing Address
699 Plainfield Rd, Downers Grove, IL 60516
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NCES District ID (LEAID)
1708970
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District Type
Public School District
Schools in Center Cass School District 66
3 schools listedFrequently Asked Questions
What zip codes are in Center Cass School District 66?▼
Center Cass School District 66 is a city district whose boundary does not contain the centre point of any zip code area, so we cannot list its zip codes from the national boundary data we use. Zip codes and district boundaries do not line up exactly in any case — confirm your address with the district office before relying on an assignment.
How is Center Cass School District 66 rated?▼
Center Cass School District 66 has an overall rating of 9 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 83rd percentile among Illinois school districts. Ratings are percentile-ranked within Illinois only and are not comparable across states.
How many students attend Center Cass School District 66?▼
The NCES Common Core of Data directory reports enrollment of 1,105 students across 3 schools for Center Cass School District 66.
What grades does Center Cass School District 66 serve?▼
Center Cass School District 66 is listed in the NCES directory as serving grades Pre-K – 8th.
What schools are in Center Cass School District 66?▼
NCES lists 3 schools operating under Center Cass School District 66: 2 elementary, 1 middle. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Center Cass School District 66?▼
You can reach Center Cass School District 66 by phone at (630)783-5155 or online at www.ccsd66.org or by mail at 699 Plainfield Rd, Downers Grove, IL 60516. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Center Cass School District 66
Center Cass School District 66 is a public school district in Illinois, in DuPage County. It carries an overall rating of 9/10 (Excellent), the 83rd percentile among Illinois districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Illinois districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 3 schools operating under Center Cass School District 66 — 2 elementary and 1 middle. The largest by enrollment is Elizabeth Ide Elem School with 410 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (630)783-5155 before making a housing decision.