The top reported proficiency rate is 67% in English language arts. The lowest is 36% in Math.
Original Research by School Decision on Rochester Jr High School
Rochester Jr High School is a public junior high serving seventh and eighth grade students in Rochester, Illinois, a small suburban village about seven to eight miles outside Springfield. The school is part of Rochester CUSD 3A, a district that has recently invested substantially in campus modernization. The junior high shares a suburban campus on Rocket Drive with Rochester High School, situated away from the village's small civic center.
The school's enrollment is modest at around 300 students split nearly evenly between the two grades. The student body is predominantly white, with small populations of students from other racial and ethnic backgrounds. Data on free-or-reduced-price lunch eligibility and special education or English learner enrollment was not available. The school's grade band means it does not generate a graduation rate or exit-based outcomes data.
On state assessments administered in 2024-25, Rochester Jr High showed a mixed academic picture. In English language arts, performance was notably stronger: seventh graders attained proficiency at a mid-level rate, while eighth graders attained it at a rate in the mid-to-upper range. Both grades demonstrated full or near-full test participation. Mathematics results were substantially weaker. Seventh grade math proficiency fell to less than four in ten students, and eighth grade math proficiency dropped further to roughly one in three students. Science results for eighth grade, measured on a different assessment, showed roughly half the students meeting proficiency. State testing data for the earlier grades the school theoretically serves (third through sixth) was either not reported by this school or not applicable to its configuration; the school appears to serve only grades seven and eight despite initial grade-band listing.
Compared to other school-serving districts across Sangamon County, Rochester Jr High's overall proficiency index—a composite across tested subjects and grades—falls just above the median for the county. This positions the school in the middle of its regional peer set, neither notably ahead nor notably behind.
The broader context shapes the school's role. Rochester is a growing bedroom community of young families and working parents, with median housing values slightly below the Illinois state average and a community character centered on residential stability and controlled expansion. The district recently completed a multi-million-dollar renovation and addition program at the high school, completed in January 2026, which added modern STEM facilities and mental health support services. That capital investment reflects ongoing population growth and the district's commitment to maintaining modernized learning environments as the village expands.
For families considering this school, the key takeaway is a mixed academic foundation where reading and writing skills are solidly developed for most students but mathematics proficiency lags significantly. Parents may want to explore with the school what support or acceleration structures exist in math, particularly as students progress through these grades. The setting is suburban and small-scale, typical of a consolidated junior high in a growing commuter village, with the security and athletic upgrades at the adjacent high school indicating a district focused on student safety and extracurricular engagement.
See more original research from School Decision →