Excellent
#64 of 716 private schools in IL
Top 9% of private schools
Arlyn Day School
High School
2789 OAK ST, Highland Park, IL 60035
Estimated academic score. This school does not have standardized test data. Based on 9 schools in Highland Park. Learn more
Enrollment
40
Student-Teacher
4.3:1
Score
8.0
Grades
5th – 12th
Enrollment
40
Student-Teacher
4.3:1
Score
8.0
Grades
5th – 12th
Updated
2021-22
Updated 2021-22
How this school compares
Illinois high schools
#10 of 91
Academic performance
8.8 / 10
Exceptional
About Arlyn Day School
Arlyn Day School serves students in grades five through twelve in Highland Park, Illinois, a large and affluent suburban community in Lake County along Chicago's North Shore. The school enrolls 40 students and employs 9 full-time equivalent teachers, maintaining a notably low student-teacher ratio of 4.3 to 1. This personalized ratio suggests a program designed to provide intensive academic and developmental support for students who benefit from small-group and individualized instruction across a wide grade span.
No standardized test score data or MySchoolScout rating is currently available for this school. Located in the 60035 ZIP code, Highland Park is one of the more distinguished North Shore suburbs, with a median household income of $159,519 and a median home value of $593,100. The ZIP serves about 30,215 residents, with a high 76 percent holding a bachelor's degree or higher and a very low poverty rate of 3.4 percent.
Highland Park is a culturally rich community known for its arts scene, lakefront parks, and highly educated professional residents, providing Arlyn Day School with a supportive and resource-rich suburban environment.
What Parents Should Know
With an enrollment of 40 students, Arlyn Day School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 4.3:1, Arlyn Day School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, Arlyn Day School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Financial Overview
Source: IRS Form 990 (2023 filing)
- Per-Pupil Spending
- Total expenses ÷ enrollment
- $53,233
- Per-Pupil Revenue
- Total revenue ÷ enrollment
- $55,276
- Financial Health
- Revenue-to-expense ratio (>1.0 = surplus)
- 1.04x — Stable
- Tuition Dependency
- Share of revenue from program services (tuition, fees)
- 96%
- Total Assets
- End-of-year total assets from IRS filing
- $175,673
Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 40 students. Not all private schools file Form 990.
Compare to Public Schools
BetaHow Arlyn Day School compares to 9 public schools serving similar grades in Highland Park, IL
Student Demographics
Nearby High Schools
| School | Rating |
|---|---|
| Arlyn Day School (this school) | 8.0 |
| Highland Park High School | 8.9 |
| Indian Trail Elem School | 8.4 |
| Edgewood Middle School | 7.7 |
| Northwood Middle School | 8.0 |
| Wayne Thomas Elem School | 9.6 |
| Ravinia Elem School | 6.9 |
| Sherwood Elem School | 9.0 |
| Red Oak Elem School | 7.7 |
| Braeside Elem School | 5.7 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
What This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in IL.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in IL
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
2789 OAK ST, Highland Park, IL 60035
Nearby Alternatives
Families considering Arlyn Day School may also want to explore other high schools in the area. Highland Park High School (rated 8.9/10, 0.7 miles away), which scores slightly higher. Another option is Deerfield High School (rated 8.9/10, 3.0 miles away, in nearby Deerfield), which scores slightly higher. Additionally, WOODLANDS ACADEMY OF THE SACRED HEART (rated 8.6/10, 2.8 miles away, in nearby Lake Forest), which scores slightly higher. For more schools in Highland Park, see our Highland Park schools guide .
Nearby Schools
20 within 3.9 mi| School | Distance | Rating |
|---|---|---|
| Highland Park High School Highland Park | 0.7 mi | 8.9 |
| Indian Trail Elem School Highland Park | 0.9 mi | 8.4 |
| Edgewood Middle School Highland Park | 0.9 mi | 7.7 |
| Oak Terrace Elem School Highwood | 0.8 mi | 7.6 |
| Northwood Middle School Highland Park | 1.3 mi | 8.0 |
| Wayne Thomas Elem School Highland Park | 1.3 mi | 9.6 |
| MONTESSORI CONNECTION WEST Highland Park | 2.5 mi | — |
| Ravinia Elem School Highland Park | 2.7 mi | 6.9 |
| HIGHLAND PARK MONTESSORI Highland Park | 2.9 mi | — |
| Cherokee Elem School Lake Forest | 2.5 mi | 6.3 |
| Sherwood Elem School Highland Park | 2.9 mi | 9.0 |
| WOODLANDS ACADEMY OF THE SACRED HEART Lake Forest | 2.8 mi | 8.6 |
| Red Oak Elem School Highland Park | 3.0 mi | 7.7 |
| LAKE FOREST COUNTRY DAY SCHOOL Lake Forest | 3.1 mi | 7.7 |
| Walden Elem School Deerfield | 3.0 mi | 6.1 |
| Braeside Elem School Highland Park | 3.6 mi | 5.7 |
| Kipling Elem School Deerfield | 3.3 mi | 6.5 |
| Deerfield High School Deerfield | 3.0 mi | 8.9 |
| COVE SCHOOL Northbrook | 4.0 mi | 7.6 |
| SCHOOL OF ST MARY Lake Forest | 3.9 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60035 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$161,811
Median Home Value
$594,600
Median Rent
$1,903/mo
Population
30,236
College Educated
76.1%
Homeownership
83.7%
Avg Commute
28.1 min
Poverty Rate
3.3%
Median Age
46
Community Profile
The community surrounding Arlyn Day School has a median household income of $161,811. It is a well-educated community where 76% of adults hold a bachelor's degree or higher. The median home value in the area is $594,600, with a median rent of $1,903/month. The local poverty rate of 3.3% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| School District 428 IYC-HRB Harrisburg, IL | 8.0 |
| Douglass Academy High School Chicago, IL | 8.2 |
| Brussels High School Brussels, IL | 7.8 |
| Deland-Weldon High School De Land, IL | 7.8 |
| Illinois Youth Ctr - St Charles Saint Charles, IL | 8.3 |
| GRAND PRAIRIE SCHOOL Onarga, IL | 7.5 |
Frequently Asked Questions
Common questions about Arlyn Day School
What grades does Arlyn Day School serve?
Arlyn Day School serves students in grades 5th through 12th.
How many students attend Arlyn Day School?
Arlyn Day School has an enrollment of approximately 40 students.
What is the student-teacher ratio at Arlyn Day School?
The student-teacher ratio at Arlyn Day School is 4.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Arlyn Day School rank in IL?
Arlyn Day School is ranked #64 out of 716 private schools in IL.
What is Arlyn Day School's MySchoolScout rating?
Arlyn Day School has a composite rating of 8.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is Arlyn Day School a private school?
Yes, Arlyn Day School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Arlyn Day School a religious school?
No, Arlyn Day School is a nonsectarian (non-religious) private school.
Explore More Schools
Neighborhood Context
- Walk Score
- 39 Car-Dependent
- Transit Score
- 28 Some Transit
- Bike Score
- 34 Somewhat Bikeable
- City Safety
- Elevated (864/100K)
Powered by 
FBI UCR 2024. City-level (Highland Park). Data >1 year old.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- 5th – 12th
- Enrollment
- 40
- Gender Split
- 48% M / 52% F
- Student-Teacher Ratio
- 4.3:1
- Teachers (FTE)
- 9
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 200 days
- Setting
- Large Suburb
- County
- LAKE
- Phone
- (847) 256-7117
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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