School District · Illinois
Century Community Unit School District 100
📍 Grand Chain, IL · Pulaski County · NCES LEAID 1739630
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
4721 Shawnee College Rd, Ullin, IL 62992
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NCES District ID (LEAID)
1739630
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District Type
Public School District
Zip Codes Served by Century Community Unit School District 1003 zip codes
Frequently Asked Questions
What zip codes are in Century Community Unit School District 100?▼
Century Community Unit School District 100 serves 3 zip codes: 62941, 62956, 62992. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Century Community Unit School District 100 rated?▼
Century Community Unit School District 100 has an overall rating of 2 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 11th percentile among Illinois school districts. Ratings are percentile-ranked within Illinois only and are not comparable across states.
How many students attend Century Community Unit School District 100?▼
The NCES Common Core of Data directory reports enrollment of 337 students across 2 schools for Century Community Unit School District 100.
What grades does Century Community Unit School District 100 serve?▼
Century Community Unit School District 100 is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Century Community Unit School District 100?▼
You can reach Century Community Unit School District 100 by phone at (618)845-3518 or by mail at 4721 Shawnee College Rd, Ullin, IL 62992. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Century Community Unit School District 100
Century Community Unit School District 100 is a public school district serving 3 zip codes in Illinois, primarily in Pulaski County. It carries an overall rating of 2/10 (Poor), the 11th 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.
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 (618)845-3518 before making a housing decision.