Enrollment
112
High
DISTRICT 140 · STATE 834
SCHOOL COMMUNITY·ALDEN HEBRON SD 19·NCES 170330000017
Alden-Hebron High School
9604 Illinois St, Hebron, IL 60034 · (815) 648-2442 · McHenry County
GRADES 09–12HIGH42-RURALTITLE IREGULAR SCHOOL112 STUDENTS
A-
allk12 Grade
Scored higher than 78% of Illinois public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools
Student : Teacher
8.7:1
13 FTE teachers
DISTRICT 10.3:1 · STATE 13.8:1
Free / Reduced Lunch
45%
50 students
DISTRICT 39% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 31 | 28% |
| Grade 10 | 23 | 21% |
| Grade 11 | 35 | 31% |
| Grade 12 | 23 | 21% |
Student demographics
44%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 37% · 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
School pathway
Feeds from
Based on grade levels within Alden Hebron SD 19. Attendance zones can vary; confirm enrollment with the district.
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
46.5%
composite math + reading, all grades
Predicted
45.7%
based on IL schools with similar FRL share
Beats by
+0.7pp
above demographic expectation
What this means: About 46% of students here test proficient in math and reading, compared with the roughly 46% 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 Alden-Hebron High School
Alden-Hebron High School's state test result (46.5% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Alden-Hebron High School this school | 112 | 44.6% | 46.5% |
| Grant Park High School Grant Park | 127 | 40.9% | 50.4% |
| Leland High School Leland | 88 | 36.4% | 42.3% |
| Earlville Jr/Sr High School Earlville | 97 | 38.1% | 34.0% |
| Wethersfield Jr/Sr High School Kewanee | 217 | 43.8% | 59.4% |
| Hiawatha Jr/Sr High School Kirkland | 211 | 46.9% | 35.8% |
Matched among Illinois high 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 Alden-Hebron High School ranks
Among high schools| Measure | This school | In Illinois | In McHenry County |
|---|---|---|---|
| State test proficiency ranked highest first | 46.5% | #114 of 573 | #6 of 13 |
| Enrollment ranked largest first | 112 | #637 of 708 | #14 of 14 |
| Free and reduced lunch ranked highest share first | 44.6% | #347 of 578 | #1 of 13 |
Ranked against other public high 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
112
+8 (+8%) vs 2020
+13% since 1990-91, when it was 99
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 | 112 | 12.9 | 8.7:1 | 45% (50) |
| 2023-24 | 108 | 12.2 | 8.9:1 | 41% (44) |
| 2022-23 | 115 | 9.4 | 12.2:1 | 42% (48) |
| 2020-21 | 104 | N/A | N/A | N/A |
| 2017-18 | 112 | 11 | 10.2:1 | 36% (40) |
| 2015-16 | 110 | 10 | 11.0:1 | 30% (33) |
| 2010-11 | 123 | 11 | 11.2:1 | 22% (27) |
| 2000-01 | 122 | 11 | 11.1:1 | N/A |
| 1990-91 | 99 | 12 | 8.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Alden-Hebron High School.
Since 2017-18: students unchanged (112 to 112); teachers up 17% (11 to 12.9).
About Alden-Hebron High School
Alden-Hebron High School is a small high school. Its address is in Hebron, Illinois. A total of 112 students attend the school, which covers grades 9 through 12. Against the 834-student average for high schools in Illinois, enrollment here is 87% lower.
Alden Hebron SD 19 (3 schools, 421 students) runs Alden-Hebron High School.
White students account for 67% of enrollment at Alden-Hebron High School. Other groups include 33% Hispanic. The county population is about 80% White. Alden-Hebron High School has a diversity index of 44%, compared with 70% for all US public school students.
The ratio of students to teachers is 8.7:1, with 12.9 full-time-equivalent teachers on staff. The 13.8:1 average for high schools in Illinois is higher than this school's figure. Lunch subsidy eligibility at Alden-Hebron High School is 45%. Compared with the 35% average for public schools in McHenry County, the school's rate is higher.
The allk12 Grade for Alden-Hebron High School is A-. Compared with Illinois public high schools, the school scored higher than 78% on a mix of test scores, poverty-adjusted results, and recent trend.
The model predicts 45.7% for a school in Illinois with Alden-Hebron High School's free or reduced-price lunch share. Alden-Hebron High School posts 46.5%.
In McHenry County (population about 312,591), median household income is about $104,802, roughly 35% of adults have a four-year degree or more, and about 4% of residents live below the federal poverty line. Alden-Hebron High School is one of 89 public schools in McHenry County, which together enroll about 50,123 students.
The shortest distance from Alden-Hebron High School to another public school is less than a tenth of a mile, to Alden-Hebron Middle School. A five-mile radius around the school includes 2 other public schools. Among the 7 closest schools with test data, this one included, Alden-Hebron High School ranks 6th on average proficiency.
Alden-Hebron High School is coded as Rural: Distant in federal locale data.
The student count in 2024-25 was 112, 8% above the 104 of 2020-21.
The allk12 site hosts a discussion page for Alden-Hebron High School covering things like school events, clubs, and volunteer needs. Reviews and ratings from people who know the school are welcome.
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 Alden Hebron SD 19
- Alden Hebron Elementary SchoolElementary · 210 students
- Alden-Hebron Middle SchoolMiddle · 99 students
Other schools in Hebron
- Alden Hebron Elementary SchoolElementary · 210 students
- Alden-Hebron Middle SchoolMiddle · 99 students
Nearby schools
- Alden-Hebron Middle School0.0 mi · 99
- Alden Hebron Elementary School0.1 mi · 210
- Greenwood Elementary School5.5 mi · 290
- Brookwood Elementary5.7 mi · 200
- Traver Elementary5.8 mi · 75
- Richmond Grade School6.0 mi · 407
Frequently asked questions
About Alden-Hebron High SchoolHow large is Alden-Hebron High School?
Alden-Hebron High School enrolls approximately 112 students in grades 09-12.
Is Alden-Hebron High School an elementary, middle, or high school?
Alden-Hebron High School is a high school covering grades 09-12.
What is the student-teacher ratio at Alden-Hebron High School?
The student-to-teacher ratio at Alden-Hebron High School is approximately 8.7:1 (13 FTE teachers).
What is the student diversity at Alden-Hebron High School?
Student demographics at Alden-Hebron High School are roughly 67% White, 33% Hispanic.
What district is Alden-Hebron High School in?
Alden-Hebron High School is part of Alden Hebron SD 19.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.