Enrollment
370
Middle
DISTRICT 869 · STATE 462
SCHOOL COMMUNITY·CUSD 300·NCES 170855000477
Algonquin Middle School
520 Longwood Dr, Algonquin, IL 60102 · (847) 532-7100 · McHenry County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL370 STUDENTS
Student : Teacher
8.8:1
42 FTE teachers
DISTRICT 13.3:1 · STATE 13.0:1
Free / Reduced Lunch
56%
209 students
DISTRICT 54% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 115 | 31% |
| Grade 7 | 133 | 36% |
| Grade 8 | 122 | 33% |
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
58.7%
IL avg 51.0% . +4.7pp since 2023
Math
38.4%
IL avg 37.9% . +6.1pp since 2023
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.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 58.7% | 38.4% |
| 2023-24 | 54.0% | 32.3% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
49.0%
composite math + reading, all grades
Predicted
38.9%
based on IL schools with similar FRL share
Beats by
+10.1pp
above demographic expectation
What 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Algonquin Middle School
Algonquin Middle School's state test result (49.0% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Algonquin Middle School this school | 370 | 56.5% | 49.0% |
| Gavin South Middle School Ingleside | 325 | 58.2% | 35.8% |
| Central Intermediate School Monmouth | 318 | 59.7% | 30.8% |
| Marengo Comm Middle School Marengo | 342 | 55.0% | 44.4% |
| Northbrook School Mendota | 526 | 58.6% | 40.1% |
| North Prairie Jr High Winthrop Harbor | 240 | 54.6% | 51.2% |
Matched among Illinois middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Algonquin Middle School ranks
Among middle schools| Measure | This school | In Illinois | In McHenry County |
|---|---|---|---|
| State test proficiency ranked highest first | 49.0% | #213 of 578 | #8 of 17 |
| Math proficiency ranked highest first | 38.4% | #248 of 640 ▼ 34 | #7 of 17 ▼ 2 |
| Reading proficiency ranked highest first | 58.7% | #308 of 640 ▼ 65 | #9 of 17 ▼ 2 |
| Enrollment ranked largest first | 370 | #389 of 691 | #14 of 18 |
| Students per teacher ranked fewest first | 8.8:1 | #9 of 558 | #1 of 16 |
| Diversity index ranked most diverse first | 59.8% | #162 of 560 | #1 of 16 |
| Free and reduced lunch ranked highest share first | 56.5% | #219 of 581 | #2 of 17 |
| Enrollment change since 2017-18 ranked steepest decline first | -19.0% | #112 of 440 | #4 of 14 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
370
-46 (-11%) vs 2020
-34% since 1990-91, when it was 559
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 370 | 42 | 8.8:1 | 56% (209) |
| 2023-24 | 396 | 41 | 9.7:1 | 53% (209) |
| 2022-23 | 399 | 40 | 10.0:1 | 49% (197) |
| 2020-21 | 416 | N/A | N/A | N/A |
| 2017-18 | 457 | 39.6 | 11.5:1 | 36% (166) |
| 2015-16 | 501 | 39 | 12.8:1 | 35% (176) |
| 2010-11 | 562 | 37 | 15.2:1 | 30% (169) |
| 2000-01 | 547 | 34 | 16.1:1 | N/A |
| 1990-91 | 559 | 30 | 18.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Algonquin Middle School.
Since 2017-18: students down 19% (457 to 370); teachers up 6% (39.6 to 42).
About Algonquin Middle School
Algonquin Middle School is a low-enrollment middle-grades school based in Algonquin, Illinois. The school's 370 students are in grades 6 through 8.
The 27 schools of CUSD 300, including Algonquin Middle School, enroll 20,705 students.
By race and ethnicity, the largest group at Algonquin Middle School is White (48%). Smaller groups are 41% Hispanic, 4% multiracial, 4% Asian, and 3% Black. For comparison, the population of McHenry County is roughly 80% White. The chance that two students picked at random at Algonquin Middle School belong to different racial or ethnic groups, known as the diversity index, is 60%.
Federal records show a student-to-teacher ratio of 8.8:1 at Algonquin Middle School, with 42 full-time-equivalent teachers. The 13.0:1 average for middle schools in Illinois is higher than this school's figure. Free and reduced-price lunch eligibility, a common measure of family income, is 56%. On average, public schools in McHenry County report 35%.
On the allk12 BeatsExpectations measure, Algonquin Middle School is 10.1 points above the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 49.0% actual, 38.9% predicted. That is outside both the top and bottom 10% in Illinois.
Across McHenry County, median household income is about $104,802, roughly 35% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. The public schools of McHenry County number 89 and enroll about 50,123.
The next-closest public school is Eastview Elementary School, less than a tenth of a mile away. In all, at least 8 other public schools sit within five miles of Algonquin Middle School. On proficiency, Algonquin Middle School is ahead of the 45.0% nearby average, ranking 5th of 9.
Locale: Suburb: Large. In NCES terms, the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment was 416 in 2020-21 and 370 in 2024-25, a decrease of 46 students.
Threads on this page can be about school events, clubs, and volunteer needs. Anyone with firsthand experience at this school can post or comment.
McHenry County at a glance
View full county profilePopulation
312,591
Census ACS
Median income
$104,802
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
89
50,123 students
Quick facts
Related schools
Other schools in CUSD 300
- Dundee-Crown High SchoolHigh · 2,573 students
- Harry D Jacobs High SchoolHigh · 2,056 students
- Hampshire High SchoolHigh · 2,046 students
- Westfield Community SchoolElementary · 1,287 students
- Dundee Middle SchoolMiddle · 1,144 students
- Carpentersville Middle SchoolMiddle · 1,142 students
Other schools in Algonquin
- Harry D Jacobs High SchoolHigh · 2,056 students
- Westfield Community SchoolElementary · 1,287 students
- Heineman Middle SchoolMiddle · 724 students
- Conley Elementary SchoolElementary · 598 students
- Mackeben Elementary SchoolElementary · 522 students
- Kenneth E Neubert Elementary SchoolElementary · 445 students
Other Algonquin Middle schools
3 other US public schools in 3 states are named Algonquin Middle. Algonquin Middle School is the 4th largest of the 4.
- Algonquin Middle SchoolDes Plaines, IL · 597 students
- ALGONQUIN MIDDLE SCHOOLAVERILL PARK, NY · 608 students
- Algonquin Middle SchoolCLINTON TWP, MI · 542 students
Nearby schools
- Eastview Elementary School0.1 mi · 401
- Algonquin Lakes Elementary School0.8 mi · 408
- Kenneth E Neubert Elementary School1.5 mi · 445
- Perry Elementary School1.7 mi · 278
- Dundee-Crown High School1.8 mi · 2,573
- Westfield Community School2.2 mi · 1,287
Frequently asked questions
About Algonquin Middle SchoolWhat is the total enrollment at Algonquin Middle School?
Algonquin Middle School enrolls approximately 370 students in grades 06-08.
What age range does Algonquin Middle School serve?
Algonquin Middle School serves students from grade 06 through grade 08.
How many students per teacher at Algonquin Middle School?
Approximately 8.8:1 students per teacher at Algonquin Middle School.
How diverse is Algonquin Middle School?
Algonquin Middle School reports a student body of 48% White, 41% Hispanic, 3% Black, 4% Asian, 4% Two or more.
What district is Algonquin Middle School in?
Algonquin Middle School is part of CUSD 300.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.