Jersey Community Unit School District 100 is a public K-12 school district based in Jerseyville, Illinois. The school district consists of five attendance centers in two municipalities, serving students in most of Jersey County, Illinois, and a small portion of southern Greene County, Illinois.

District information
Total enrollment for the district is approximately 3,000 students each school year. The district area is , making the school district the second largest in Illinois by area. The current superintendent is Brad Tuttle.

The district is governed by a seven-member school board.

Current schools

Elementary schools
Grafton Elementary School - located in Grafton, serves Pre-Kindergarten through fifth grade, new building was opened in 2005
Jerseyville East Elementary School - located in Jerseyville, serves second through fourth grades, building was extensively renovated and reopened in 2012
Jerseyville West Elementary School - located in Jerseyville, serves Pre-Kindergarten through first grade

Middle schools
Jersey Community Middle School - located in Jerseyville, serves fifth through seventh grades, was formerly named Illini Middle School until May 2018

High schools
Jersey Community High School - located in Jerseyville, serves all students in eighth through twelfth grades, new building was opened in 2006

Former schools
Delhi Elementary School - located in Delhi, Illinois, served Pre-Kindergarten through fifth grade; closed in June 2012 due to district realignment.
Dow Elementary School - located in Dow, served Kindergarten through fifth grade; closed in June 2011 due to district realignment.
Fieldon Elementary School - located in Fieldon, served Kindergarten through fifth grade; closed in June 2012 due to district realignment.
Kane Elementary School - located in Kane, served Kindergarten through sixth grade; closed in 1982 due to rising costs of maintenance.

School districts in Illinois
Education in Jersey County, Illinois
Jerseyville, Illinois