Mendota Twp High School

As a low-enrollment 9-12 campus in Mendota, Illinois, Mendota Twp High School works with 493 students from grades 9 through 12, run under Mendota Twp HSD 280. Enrollment runs roughly 41% below the state mean of about 834.

Mendota Twp HSD 280 is the operating authority for Mendota Twp High School, handling staffing, calendars, and reporting to the state department of education.

On the student-mix side, Mendota Twp High School logs that the largest single group is White, at 55% of enrollment. Other groups include 39% Hispanic, 3% multiracial. By comparison, LaSalle County as a whole is about 86% White, so the school skews meaningfully less White than its surroundings.

On the resource side, Staff filings list 37 full-time-equivalent teachers, which works out to roughly 13.3:1 students per teacher. The state averages about 13.8:1, putting this campus right in line with peers. An estimated 56% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

With demographic context factored in, Mendota Twp High School tracks the demographic baseline. The model predicts 39.1% given the school's FRL share; actual proficiency is 33.5%.

Across the wider county, ACS estimates for LaSalle County put median household income runs about $73,045, roughly 21% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. In all, LaSalle County runs 54 public schools (combined enrollment of about 14,523 students), of which Mendota Twp High School is one.

Nearest neighbor: Northbrook School, around 1.1 miles off. Counting just inside five miles, 3 other public schools cluster around Mendota Twp High School. Ranking that nearby cluster on reported proficiency puts Mendota Twp High School at 3rd of 6; the average score across the group is 31.3%.

The campus sits in a low-density setting.

Trend over the last 7 years. Over the past 7-year window, the student count ticked down 11%: 555 students in 2018 compared to 493 in 2025. The student-to-teacher ratio narrowed from 16.0:1 in 2018 to 13.3:1 today.

On this page, posts here usually surface around classroom updates, athletics, and weather closures. Members of the school community can share what they know.