Average

#420 of 716 private schools in IL

St Mary Immaculate Parish School

Elementary School

15629 S ROUTE 59, Plainfield, IL 60544

Last updated: July 2026

Private

Enrollment

317

Student-Teacher

13.8:1

Score

6.1

Grades

Pre-K – 8th

Enrollment

317

Student-Teacher

13.8:1

Score

6.1

Grades

Pre-K – 8th

Data vintage
2021-22

Data vintage2021-22

How this school compares

Illinois private schools

#420 of 716

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About St Mary Immaculate Parish School

St Mary Immaculate Parish School is a private elementary school in Plainfield, IL. St Mary Immaculate Parish School serves approximately 317 students, and covers grades Pre-K-8th, and has a 13.8:1 student-teacher ratio. St Mary Immaculate Parish School has a current MySchoolScout rating of 6.1 out of 10 and ranks #420 of 716 private schools in IL.

How it comparesOn par with IL schools

6.1

This school 6.1 · Average
IL avg 6.2

What Parents Should Know

St Mary Immaculate Parish School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.

Compare to Public Schools

Beta

How St Mary Immaculate Parish School compares to 25 public schools serving similar grades in Plainfield, IL

Student-Teacher Ratio

13.8:1

This School

14.4:1

Public Avg

Avg School Size

317

This School

653

Public Avg

Avg School Scout Rating

6.1

This School

6.4

Public Avg

Student Demographics

White 77% vs 0%

Hispanic 12.3% vs 0%

Asian 3.2% vs 0%

Black 2.5% vs 0%

St Mary Immaculate Parish School Plainfield Public Avg

Nearby Elementary Schools

School	Distance	Enrollment	STR	Rating
St Mary Immaculate Parish School (this school)	—	317	13.8:1	6.1
Central Elem School	0.3 mi	556	14.3:1	6.7
Bonnie McBeth Learning Ctr	0.4 mi	774	19.4:1	5.5
Indian Trail Middle School	1.2 mi	541	12.6:1	6.0
Wallin Oaks Elementary School	1.2 mi	645	15.7:1	6.6
Richard Ira Jones Middle School	1.3 mi	851	15.8:1	6.6
Lincoln Elementary	2.0 mi	515	12.3:1	8.0
Timber Ridge Middle School	2.6 mi	848	14.9:1	5.3
River View Elementary School	2.8 mi	571	13.3:1	7.1
Wesmere Elementary School	2.9 mi	570	13.9:1	4.8
Walkers Grove Elementary School	3.0 mi	624	15.6:1	7.9
Lakewood Falls Elem School	3.1 mi	540	13.8:1	5.7
Drauden Point Middle School	3.3 mi	672	13.7:1	4.7
Eagle Pointe Elementary School	3.3 mi	575	14:1	7.4
Creekside Elementary School	3.3 mi	489	12.5:1	6.3
Meadow View Elementary School	3.4 mi	585	15.8:1	3.9
Ridge Elementary School	3.4 mi	459	12.1:1	6.7
Troy Middle School	3.6 mi	878	12.7:1	7.7
Orenic Intermediate School	3.6 mi	809	11.7:1	7.1
Heritage Grove Middle School	4.1 mi	833	14.6:1	7.5
Charles Reed Elementary Sch	4.2 mi	622	13.8:1	5.2

Showing 20 of 25 schools. View all schools in Plainfield

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

Preliminary

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

C+ 4.4 / 10

View breakdown

Student-Teacher Ratio 13.8:1

Instructional Commitment

B 6.4 / 10

View breakdown

School Day Length 6.9 hours

Annual Instructional Hours 1,214.4

Diversity & Inclusion

B+ 7.0 / 10

View breakdown

Diversity Index 39%

Community Context

Data Unavailable

School Profile

A- 8.0 / 10

View breakdown

Enrollment 317

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 77.0%

Hispanic 12.3%

Two or More 5.0%

Asian 3.2%

Black 2.5%

Source: NCES Private School Survey (PSS)

Location

15629 S ROUTE 59, Plainfield, IL 60544

Nearby Alternatives

Families considering St Mary Immaculate Parish School may also want to explore other elementary schools in the area. Lincoln Elementary (rated 8.0/10, 2.0 miles away), which scores notably higher. Another option is Walkers Grove Elementary School (rated 7.9/10, 3.0 miles away), which scores notably higher. Additionally, Eagle Pointe Elementary School (rated 7.4/10, 3.3 miles away), which scores notably higher. For more schools in Plainfield, see our Plainfield schools guide .

Nearby Schools

20 within 3.6 mi

School	Distance	Enrollment	Rating
Central Elem School Plainfield	0.3 mi	556	6.7
Bonnie McBeth Learning Ctr Plainfield	0.4 mi	774	5.5
Plainfield High School Plainfield	0.4 mi	1,898	5.9
Indian Trail Middle School Plainfield	1.2 mi	541	6.0
MONTESSORI OF PLAINFIELD Plainfield	1.2 mi	5	—
Wallin Oaks Elementary School Plainfield	1.2 mi	645	6.6
Richard Ira Jones Middle School Plainfield	1.3 mi	851	6.6
Lincoln Elementary Plainfield	2.0 mi	515	8.0
Timber Ridge Middle School Plainfield	2.6 mi	848	5.3
River View Elementary School Plainfield	2.8 mi	571	7.1
Wesmere Elementary School Plainfield	2.9 mi	570	4.8
Walkers Grove Elementary School Plainfield	3.0 mi	624	7.9
Grand Prairie Elem School Joliet	2.9 mi	538	3.5
Eagle Pointe Elementary School Plainfield	3.3 mi	575	7.4
Drauden Point Middle School Plainfield	3.3 mi	672	4.7
Lakewood Falls Elem School Plainfield	3.1 mi	540	5.7
Crystal Lawns Elem School Joliet	3.1 mi	352	4.1
Troy Middle School Plainfield	3.6 mi	878	7.7
Ridge Elementary School Plainfield	3.4 mi	459	6.7
Orenic Intermediate School Plainfield	3.6 mi	809	7.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 60544 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$108,447

Median Home Value

$311,700

Median Rent

$1,809/mo

Population

27,937

College Educated

42.9%

Homeownership

85.6%

Avg Commute

36.7 min

Poverty Rate

6.2%

Median Age

Similar Schools

Schools in the same state with comparable level, size, and ratings

School	Enrollment	Rating
Briargate Elem School Cary, IL	425	6.1
CHRIST THE KING ELEMENTARY SCHOOL Springfield, IL	372	6.1
Cobden Elem School Cobden, IL	219	6.1
FRASSATI CATHOLIC ACADEMY Wauconda, IL	201	6.1
Gordon School Posen, IL	288	6.1
Grant Park Elem School Grant Park, IL	320	6.1

Frequently Asked Questions

Common questions about St Mary Immaculate Parish School

What grades does St Mary Immaculate Parish School serve?

St Mary Immaculate Parish School serves students in grades Pre-K through 8th.

How many students attend St Mary Immaculate Parish School?

St Mary Immaculate Parish School has an enrollment of approximately 317 students.

What is the student-teacher ratio at St Mary Immaculate Parish School?

The student-teacher ratio at St Mary Immaculate Parish School is 13.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St Mary Immaculate Parish School rank in IL?

St Mary Immaculate Parish School ranks #420 of 716 private schools in IL.

What is St Mary Immaculate Parish School's MySchoolScout rating?

St Mary Immaculate Parish School has a current MySchoolScout rating of 6.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

Is St Mary Immaculate Parish School a private school?

Yes, St Mary Immaculate Parish School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is St Mary Immaculate Parish School a religious school?

St Mary Immaculate Parish School has a Roman Catholic religious affiliation.

Explore More Schools

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Neighborhood Context

Walk Score: 45 Car-Dependent
Bike Score: 41 Somewhat Bikeable

Quick Facts NCES PSS (SY 2021-22)

Grades: Pre-K – 8th
Enrollment: 317
Gender Split: 48% M / 52% F
Student-Teacher Ratio: 13.8:1
Teachers (FTE): 23
Type: private
Coed Status: coed
Affiliation: Roman Catholic
School Day: 6.9 hours
Days Per Year: 176 days
Setting: Large Suburb
County: Will County
Phone: (815) 436-3953

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Data sources

NCES PSSSY 2021-22 Census ACS2019-2023 MySchoolScout Rankings2024 Full details →

St Mary Immaculate Parish School

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