Guilford High School

Located at 5620 Spring Creek Rd, in Rockford, Illinois, Guilford High School is a substantial 9-12 campus that serves 2,216 students (grades 9 through 12), overseen by Rockford SD 205. Enrollment runs roughly 166% above the state mean of about 834.

Guilford High School is one of 44 schools operated by Rockford SD 205, a district that enrolls 28,467 students overall.

For racial and ethnic makeup, Guilford High School records that the largest single group is White at 35%, but no single group is in the majority. Other groups include 29% Black, 24% Hispanic, 8% multiracial, 3% Asian. That is visibly less White than the county at large, where the share is closer to 66%.

Looking at the economic backdrop, On paper, Guilford High School has 114 full-time-equivalent teachers, translating to a class-load average of around 19.5:1. The state averages around 13.8:1, so this campus is higher than the state norm typical. About 59% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Guilford High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 37.6%, the actual is 27.2%, a residual of -10.4 points.

In the surrounding community, ACS estimates for Winnebago County put the typical household earns roughly $65,837 per year, 25% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 11%. Across Winnebago County's 94 public schools (combined enrollment of about 44,103 students), Guilford High School is one campus in the mix.

Spring Creek Elem School is the nearest neighboring public school, about 0.4 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Guilford High School. Among the 9 schools in that immediate cluster with test data (this one included), Guilford High School ranks 6th on composite proficiency, below the local average of 30.1%.

The campus sits in a city-core setting.

Trend over the last 7 years. Looking back 7 years, enrollment at Guilford High School has rose 27%, going from 1,744 students in 2018 to 2,216 in 2025. Black enrollment moved from 23% to 29% across the same window. The student-to-teacher ratio loosened from 18.5:1 in 2018 to 19.5:1 today.

Inside the community feed, members of the Guilford High School community share and discuss sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.