Lundahl Middle School

Lundahl Middle School, an expansive middle school in Crystal Lake, Illinois, overseen by Crystal Lake CCSD 47, hosts 797 students, covering grades 6 through 8. Compared to the state average of about 462 students per school, that is 73% larger than typical.

Crystal Lake CCSD 47 comprises 12 schools with combined enrollment of 6,889 students; Lundahl Middle School is among them.

Demographically, Lundahl Middle School lists that 61% of the student body identifies as White. The remainder reads as 30% Hispanic, 3% multiracial, 3% Black, 2% Asian. By comparison, McHenry County as a whole is about 80% White, so the school skews visibly less White than its surroundings.

Looking at school resources, Lundahl Middle School reports 60 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.3:1. The state averages about 13.0:1, putting this campus right in line with peers. An estimated 35% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Lundahl Middle School tracks the demographic baseline. The model predicts 51.1% given the school's FRL share; actual proficiency is 42.7%.

In the broader community, the surrounding county (McHenry County) logs that median household earnings sit near $104,802, roughly 35% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 4%. Across McHenry County's 89 public schools (combined enrollment of about 50,123 students), Lundahl Middle School is one campus in the mix.

South Elem School is the nearest neighboring public school, about 0.2 miles from this campus. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Lundahl Middle School ranks 7th on composite proficiency, beneath the local average of 45.3%.

Lundahl Middle School operates from a bedroom-community location.

Looking at the recent track record. Over the past 7-year window, the student count ticked up 10%: 726 students in 2018 compared to 797 in 2025. The Hispanic share of enrollment grew from 15% to 30% over that span. The student-to-teacher ratio tightened from 14.3:1 in 2018 to 13.3:1 today.

On the community side, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.