- Enrollment
- 2,573
- Students per teacher
- 15.5:1
- Resource Index
- 43/100
High school (grades 9-12) · Algonquin, IL
Harry D Jacobs High School
Federal NCES profile for Harry D Jacobs High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170855000486
👥 S:T ratio 40
🌟 Gifted program 30
🎓 Counselors 54
📋 Attendance 6
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Harry D Jacobs High School earns 33/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #9 of 9
- public schools in Algonquin · Resource Index
- 33
- Resource Index · Typical
- 14.9:1
- students per teacher
- 2,056
- students enrolled
Harry D Jacobs High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Harry D Jacobs High School ranks #9 of 9 public schools in Algonquin, IL.
School address
NCES CCD universe card
School universe 170855000486 · Algonquin, IL High · LARGE · TRAD
2,056 enr · 14.9:1 · RII 33
Nearest enrollment peer: Dundee-Crown High School (2,573 students)
Resource Investment Index #9 of 9 public schools in Algonquin. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Harry D Jacobs High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Dundee-Crown H
Dundee-Crown High School
2,573 students
- This school
Harry D Jacobs High School
2,056 students
- Hampshire High
Hampshire High School
2,046 students
- Westfield Comm
Westfield Community School
1,287 students
- Dundee Middle
Dundee Middle School
1,144 students
- Carpentersvill
Carpentersville Middle School
1,142 students
What this shows Harry D Jacobs High School reports 2,056 students on the CCD universe file.
How Harry D Jacobs High School compares
Harry D Jacobs High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.9:1 | ▲ 6% | 14:1 | 15.7:1 |
| Enrollment | 2,056 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.9:1
Leaner classes than 48% of US schools, a middle-of-the-pack class size.
2,056
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.9:1
students per teacher
- 6% above state mean
Top 68% in Illinois - lower ratio than 32% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
37.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,080
per pupil, district-wide
- below Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors9.0 FTE
Per 228 students, the combined health-and-guidance staffing load for this school.
Discipline context
140
in-school suspensions + 68 out-of-school
Suspension rate: 6.8 per 100 students. Combined in-school and out-of-school rate: 10.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 56.6%
Hispanic or Latino 26.1%
Asian 7.9%
Two or More 4.5%
African American 4.4%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 56.6% of enrollment.
Student-body diversity index 60.1/100
Simpson diversity index - at 60.1, Harry D Jacobs High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 22
Funding & spending
District-wide per-pupil expenditure for Cusd 300, which includes Harry D Jacobs High School.
$17,080
Per student
-6%
vs Illinois
Avg $18,196
-3%
vs U.S.
Avg $17,658
Revenue mix
Local 56.0%
State 36.4%
Federal 7.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Harry D Jacobs High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dundee-Crown High School | Larger | No free-lunch data | Similar S:T ratio |
| Hampshire High School | Similar size | No free-lunch data | Higher S:T ratio |
| Westfield Community School | Smaller | No free-lunch data | Similar S:T ratio |
| Dundee Middle School | Smaller | No free-lunch data | Similar S:T ratio |
| Carpentersville Middle School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Harry D Jacobs High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,046
- Students per teacher
- 16.9:1
- Resource Index
- 33/100
- Enrollment
- 1,287
- Students per teacher
- 14.1:1
- Resource Index
- 39/100
- Enrollment
- 1,144
- Students per teacher
- 15.9:1
- Resource Index
- 41/100
- Enrollment
- 1,142
- Students per teacher
- 12.8:1
- Resource Index
- 33/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,056 students)
Similar student-teacher ratio (~14.9:1)
Frequently asked questions about Harry D Jacobs High School
How many students attend Harry D Jacobs High School?
Harry D Jacobs High School has 2,056 students enrolled. It is a high school in Algonquin, IL.
What is the student-teacher ratio at Harry D Jacobs High School?
The student-teacher ratio at Harry D Jacobs High School is 14.9:1, which is 6% higher than the Illinois average of 14:1 and 5% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Harry D Jacobs High School?
The largest demographic group at Harry D Jacobs High School is White at 56.6% of enrollment, in Algonquin, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.1/100.
What is the Resource Investment Index for Harry D Jacobs High School?
Harry D Jacobs High School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Harry D Jacobs High School rank among public schools in Algonquin?
By Resource Investment Index, Harry D Jacobs High School ranks #9 of 9 public schools in Algonquin, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Algonquin on the city page.
What other schools are in Cusd 300?
Besides Harry D Jacobs High School, Cusd 300 also operates Dundee-Crown High School (2,573 students), Hampshire High School (2,046 students), and Westfield Community School (1,287 students). See the Cusd 300 district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.