Rochester Jr High School

Rochester Jr High School, a low-enrollment intermediate school in Rochester, Illinois, one of the schools within Rochester CUSD 3A, educates 288 students, covering grades 7 through 8. Enrollment runs roughly 38% below the state mean of about 462.

Rochester Jr High School is one of 5 schools operated by Rochester CUSD 3A, a district that caters to 2,012 students overall.

On demographics, Rochester Jr High School logs that nearly all students (88%) are White. Other groups include 6% multiracial, 2% Black, 2% Asian. That is noticeably more White than the county at large, where the share is closer to 78%.

Looking at school resources, The school currently runs with 20 full-time-equivalent teachers, for a student-teacher ratio near 14.4:1. Statewide, the average ratio sits near 13.0:1, putting Rochester Jr High School higher than the state norm the norm.

In the area at large, the surrounding county (Sangamon County) logs that the typical household earns roughly $75,357 per year, 37% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 9%. Rochester Jr High School is one of 77 public schools in Sangamon County (combined enrollment of about 27,345 students).

The closest other public school is Rochester High School, roughly 0.1 miles away. Within five miles, there are 8 other public schools.

Geographically, the school is in a commuter-belt area.

Trend over the last 7 years. Looking back 7 years, enrollment at Rochester Jr High School has contracted 27%, going from 392 students in 2018 to 288 in 2025. Class-load math has tightened: from 23.8:1 in 2018 to 14.4:1 in 2025.

On this page, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.