Unity High School

Located at 453 W Collins St, in Mendon, Illinois, Unity High School is a very small secondary school that works with 176 students (grades 9 through 12), one of the schools within CUSD 4. Enrollment runs roughly 79% below the state mean of about 834.

Across the 3 schools in CUSD 4 (672 students total), Unity High School accounts for its share of the district's footprint.

For racial and ethnic makeup, Unity High School reports that 93% of students identify as White, making the school strongly White-majority. The remainder reads as 4% Hispanic, 3% Black. That composition is broadly in line with Adams County as a whole.

On the income-and-resources front, Unity High School lists 17 full-time-equivalent teachers, putting the student-to-teacher ratio at about 10.2:1. The state averages around 13.8:1, so this campus is tighter than the state norm typical. About 40% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is below Adams County's rate of about 56%.

Adjusting for the school's free-and-reduced-lunch share, Unity High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 48.5%; this one delivers 38.5%.

In the broader community, census data for Adams County shows median household earnings sit near $66,220, roughly 28% of adults have completed at least a four-year degree, and roughly 9% of residents live below the federal poverty line. Across Adams County's 23 public schools (combined enrollment of about 8,717 students), Unity High School is one campus in the mix.

The closest other public school is Unity Middle School, roughly 0.0 miles away. Counting just inside five miles, 2 other public schools cluster around Unity High School. Ranking that nearby cluster on reported proficiency puts Unity High School at 5th of 9; the average score across the group is 40.2%.

Geographically, the school is in a low-density area.

Looking at the recent track record. Unity High School's enrollment has contracted 16% since 2018, when it stood at 209 (now 176). White enrollment moved from 99% to 93% across the same window. Class-load math has narrowed: from 11.5:1 in 2018 to 10.2:1 in 2025.

In the discussion threads here, the feed for Unity High School typically covers pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.