Algonquin Middle School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 59 of every 100 students at this school read and write at grade level and about 38 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 5 points since 2023, while math scores are up about 6 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 49% of students here test proficient in math and reading, compared with the roughly 39% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Algonquin Middle School
Algonquin Middle School, a close-knit middle school in Algonquin, Illinois, run under CUSD 300, serves 370 students, covering grades 6 through 8.
CUSD 300 comprises 27 schools with combined enrollment of 20,705 students; Algonquin Middle School is among them.
On demographics, Algonquin Middle School reports that the largest single group is White at 48%, but no single group is in the majority. Beyond that, the school reports 41% Hispanic, 4% multiracial, 4% Asian, 3% Black. That is noticeably less White than the county at large, where the share is closer to 80%.
On the income-and-resources front, Algonquin Middle School shows 42 full-time-equivalent teachers, putting the student-to-teacher ratio at about 8.8:1. Statewide, the average ratio sits near 13.0:1, putting Algonquin Middle School tighter than the state norm the norm. An estimated 56% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is north of McHenry County's rate of about 35%.
With demographic context factored in, Algonquin Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 38.9%; this one delivers 49.0%.
In the broader community, ACS estimates for McHenry County put median household income runs about $104,802, 35% of adults hold a bachelor's degree or higher, and roughly 4% of residents live below the federal poverty line. Across McHenry County's 89 public schools (combined enrollment of about 50,123 students), Algonquin Middle School is one campus in the mix.
Nearest neighbor: Eastview Elem School, around 0.1 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Algonquin Middle School ranks 5th on composite proficiency, above the local average of 45.0%.
The campus sits in a suburban setting.
Trend over the last 7 years. Looking back 7 years, enrollment at Algonquin Middle School has fell 19%, going from 457 students in 2018 to 370 in 2025. The Hispanic share of enrollment edged up from 26% to 41% over that span. Class-load math has pulled in: from 11.5:1 in 2018 to 8.8:1 in 2025.
On the community side, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.
McHenry County at a glance
View full county profileQuick facts
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