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Average

#337 of 716 private schools in IL

Top 47% of private schools

Tallgrass Sudbury School

School

82 WOODSIDE RD, Riverside, IL 60546

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on IL statewide data. Learn more

Enrollment

30

Student-Teacher

10:1

Score

6.5

Grades

3rd – 11th

Updated 2021-22

How this school compares

In Riverside

#2 of 2

public schools

Illinois schools

#83 of 137

About Tallgrass Sudbury School

Tallgrass Sudbury School is an alternative school in Riverside, Illinois, serving 30 students across grades 3 through 11. With 3 full-time equivalent staff and a student-teacher ratio of 10:1, the program follows the Sudbury democratic model of self-directed education. The school has not been rated by MySchoolScout and no standardized test data is available.

Located in the 60546 zip code in Cook County's large suburban area, the school serves the community of Riverside, one of the oldest planned communities in the United States. The surrounding neighborhood has a median household income of $106,967, a median home value of $374,700, and 52% of residents holding bachelor's degrees, with a low poverty rate of 3.8%. Riverside is a historically significant suburb of Chicago, designed by Frederick Law Olmsted, featuring winding tree-lined streets and a pastoral character that has been preserved since the 1870s.

What Parents Should Know

With an enrollment of 30 students, Tallgrass Sudbury 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.

As a private school, Tallgrass Sudbury 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
$6,522
Per-Pupil Revenue
Total revenue ÷ enrollment
$6,300
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
0.97x — Tight
Total Assets
End-of-year total assets from IRS filing
$96,310

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 30 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Tallgrass Sudbury School compares to 5 public schools serving similar grades in Riverside, IL

Student-Teacher Ratio
10:1
This School
vs
14:1
Public Avg
Avg School Size
30
This School
vs
658
Public Avg
Avg School Scout Rating
6.5
This School
vs
6.7
Public Avg

Student Demographics

White 60% vs 0%
Hispanic 26.7% vs 0%
Tallgrass Sudbury School Riverside Public Avg

Nearby Other Schools

School Rating
Tallgrass Sudbury School (this school) 6.5
L J Hauser Jr High School 6.1
Central Elem School 8.1
Riverside Brookfield Twp HS 7.2
A F Ames Elem School 6.5
Blythe Park Elem School 5.6

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.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.1 / 10
View breakdown
Student-Teacher Ratio 10:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A- 7.8 / 10
View breakdown
School Day Length 7 hours
Annual Instructional Hours 1,253
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 8.5 / 10
View breakdown
Diversity Index 55%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
D 1.4 / 10
View breakdown
Enrollment 30
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)

White 60.0%
Hispanic 26.7%
Two or More 13.3%

Source: NCES Private School Survey (PSS)

Location

82 WOODSIDE RD, Riverside, IL 60546

Nearby Alternatives

Families considering Tallgrass Sudbury School may also want to explore other schools in the area. Central Elem School (rated 8.1/10, 0.1 miles away), which scores notably higher. Another option is Riverside Brookfield Twp HS (rated 7.2/10, 0.4 miles away), which scores slightly higher. Additionally, J Sterling Morton West High Sch (rated 7.2/10, 1.6 miles away, in nearby Berwyn), which scores slightly higher. For more schools in Riverside, see our Riverside schools guide .

Nearby Schools

20 within 1.7 mi
School Distance Rating
L J Hauser Jr High School Riverside 0.0 mi 6.1
Central Elem School Riverside 0.1 mi 8.1
ST MARY ELEMENTARY SCHOOL Riverside 0.3 mi 7.0
Riverside Brookfield Twp HS Riverside 0.4 mi 7.2
A F Ames Elem School Riverside 0.7 mi 6.5
Hollywood Elem School Brookfield 0.6 mi 6.2
INTIRAYMI SPANISH MONTESSORI CHILDRENS HOUSE Riverside 0.8 mi
Washington Middle School Lyons 0.8 mi 6.1
Blythe Park Elem School Riverside 0.9 mi 5.6
J W Robinson Jr Elem School Lyons 1.4 mi 4.9
Costello School Lyons 1.7 mi 6.3
Lincoln Elem School Brookfield 1.6 mi 5.8
Irving Elem School Berwyn 1.4 mi 6.8
ST PAUL LUTHERAN SCHOOL Brookfield 1.4 mi
Emerson Elem School Berwyn 1.4 mi 6.4
Heritage Middle School Berwyn 1.4 mi 6.6
J Sterling Morton West High Sch Berwyn 1.6 mi 7.2
MONTESSORI CHILDRENS COMMUNITY Brookfield 1.5 mi
S E Gross Middle School Brookfield 1.5 mi 5.3
Komarek Elem School North Riverside 1.7 mi 6.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 60546 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$109,933

Median Home Value

$377,600

Median Rent

$1,331/mo

Population

16,582

College Educated

57.1%

Homeownership

76.6%

Avg Commute

31.8 min

Poverty Rate

4.2%

Median Age

39.9

Community Profile

The community surrounding Tallgrass Sudbury School has a median household income of $109,933. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $377,600, with a median rent of $1,331/month. The local poverty rate of 4.2% is relatively low. The average commute for residents is 32 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
CENTER FOR CHILDREN TO HEAL AND ACHIEVE (CCHA) Alton, IL 6.5
LAWRENCE HALL SCHOOL Chicago, IL 6.4
LIGHTED WAY ASSOCIATION La Salle, IL 6.6
TURNING POINTE CN DAY SCHOOL Naperville, IL 6.6
CHILREN'S HABILITATION CENTER Harvey, IL 6.7
CHRISTIAN FELLOWSHIP SCHOOL Du Quoin, IL 6.3

Frequently Asked Questions

Common questions about Tallgrass Sudbury School

What grades does Tallgrass Sudbury School serve?

Tallgrass Sudbury School serves students in grades 3rd through 11th.

How many students attend Tallgrass Sudbury School?

Tallgrass Sudbury School has an enrollment of approximately 30 students.

What is the student-teacher ratio at Tallgrass Sudbury School?

The student-teacher ratio at Tallgrass Sudbury School is 10:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Tallgrass Sudbury School rank in IL?

Tallgrass Sudbury School is ranked #337 out of 716 private schools in IL.

What is Tallgrass Sudbury School's MySchoolScout rating?

Tallgrass Sudbury School has a composite rating of 6.5 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 Tallgrass Sudbury School a private school?

Yes, Tallgrass Sudbury 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 Tallgrass Sudbury School a religious school?

No, Tallgrass Sudbury School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

City Safety
Elevated (861/100K)

FBI UCR 2024. City-level (Riverside). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
3rd – 11th
Enrollment
30
Gender Split
63% M / 37% F
Student-Teacher Ratio
10:1
Teachers (FTE)
3
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
7 hours
Days Per Year
179 days
Setting
Large Suburb
County
COOK
Data Year
2022–2023

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.

Read our full methodology

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