Enrollment
521
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Arlington Heights, IL
Dryden Elem School
Federal NCES profile for Dryden Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170414000095
👥 S:T ratio 38
🌟 Gifted program 30
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dryden Elem School earns 49/100 on the Resource Investment Index, with class sizes larger than 77% of Illinois schools.
- #5 of 9
- elementary schools in Arlington Heights · Resource Index
- 49
- Resource Index · Higher
- 15.6:1
- large classes for Illinois
- 521
- students enrolled
Dryden Elem School has class sizes larger than 77% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Dryden Elem School ranks #5 of 9 elementary schools in Arlington Heights, IL.
School address
District: Arlington Heights Sd 25 · Illinois
NCES ID 170414000095 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 14:1 Illinois avg
+11% vs state
Student-teacher ratio in context
How Dryden Elem School compares with Illinois and U.S. medians
What stands out at Dryden Elem School
Dryden Elem School is a mid-sized elementary school in Arlington Heights, Illinois, enrolling 521 students.
Class loads run somewhat heavier than typical: 15.6:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 521 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (79%) and Hispanic or Latino (10%) (diversity index 36/100).
Attendance holds up well here: only 8.6% of students were chronically absent, below the typical post-pandemic national figure.
Among Arlington Heights's elementary schools, it stands alongside Olive-Mary Stitt School (671 students): Dryden Elem School is smaller than that campus by headcount and runs leaner classes (15.6:1 vs 16:1).
Arlington Heights Sd 25 also operates Thomas Middle School (1,024 students) and South Middle School (812 students) alongside Dryden Elem School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Dryden Elem School compares
Dryden Elem 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 | 15.6:1 | ▲ 11% | 14:1 | 15.7:1 |
| Enrollment | 521 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
521
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
15.6:1
students per teacher
- 11% above state mean
Top 77% in Illinois - lower ratio than 23% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
8.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$17,811
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 521 Top 28% in Illinois - larger than 72% of 3,845 state schools
Teachers (FTE) 32.0
Students per teacher 15.6:1 +11% vs state
Free-lunch eligible -
NCES ID 170414000095
Student demographics
White 79.1%
Hispanic or Latino 10.2%
Asian 9.2%
African American 1.0%
Two or More 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 79.1% of enrollment.
Student-body diversity index 35.5/100
Simpson diversity index - at 35.5, Dryden Elem School is less mixed than the Illinois school average of 38.9.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 8.6%
In-school suspensions 0
Out-of-school suspensions 0
Funding & spending
District-wide per-pupil expenditure for Arlington Heights Sd 25, which includes Dryden Elem School.
$17,811
Per student
+5%
vs Illinois
Avg $17,042
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 69.9%
State 24.8%
Federal 5.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Dryden Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Thomas Middle School | Larger | No free-lunch data | Lower S:T ratio |
| South Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Olive-Mary Stitt School | Larger | No free-lunch data | Similar S:T ratio |
| Westgate Elem School | Similar size | No free-lunch data | Lower S:T ratio |
| Ivy Hill Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Dryden Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,024
- Students per teacher
- 13.3:1
- Resource Index
- 49/100
- Enrollment
- 812
- Students per teacher
- 12.7:1
- Resource Index
- 49/100
- Enrollment
- 671
- Students per teacher
- 16:1
- Resource Index
- 48/100
- Enrollment
- 633
- Students per teacher
- 12.5:1
- Resource Index
- 53/100
- Enrollment
- 593
- Students per teacher
- 16.1:1
- Resource Index
- 42/100
Similar elementary schools in Arlington Heights
6 comparable elementary schools (grades K-5) serving the same city.
Olive-Mary Stitt School
Standard public school
671 students 16:1 students per teacher
Westgate Elem School
Standard public school
633 students 12.5:1 students per teacher
Ivy Hill Elem School
Standard public school
593 students 16.1:1 students per teacher
Windsor Elementary School
Standard public school
490 students 11.5:1 students per teacher
Patton Elem School
Standard public school
399 students 15.9:1 students per teacher
J W Riley Elem School
Standard public school
319 students 10.7:1 students per teacher
Next steps
Verify locally before acting on Dryden Elem School's federal record.
- Compare Dryden Elem School against another school. Compare schools
- Arlington Heights Sd 25's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Dryden Elem School
How many students attend Dryden Elem School?
Dryden Elem School has 521 students enrolled. It is an elementary school in Arlington Heights, IL.
What is the student-teacher ratio at Dryden Elem School?
The student-teacher ratio at Dryden Elem School is 15.6:1, which is 11% higher than the Illinois average of 14:1 and 1% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Dryden Elem School?
The largest demographic group at Dryden Elem School is White at 79.1% of enrollment, in Arlington Heights, IL.
What is the Resource Investment Index for Dryden Elem School?
Dryden Elem School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dryden Elem School rank among elementary schools in Arlington Heights?
By Resource Investment Index, Dryden Elem School ranks #5 of 9 elementary schools in Arlington Heights, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Arlington Heights on the city page.
Is Dryden Elem School a good school?
Dryden Elem School earns 49/100 on the Resource Investment Index, with class sizes larger than 77% of Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Arlington Heights Sd 25?
Besides Dryden Elem School, Arlington Heights Sd 25 also operates Thomas Middle School (1,024 students), South Middle School (812 students), and Olive-Mary Stitt School (671 students). See the Arlington Heights Sd 25 district page for the complete list.