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SCHOOL COMMUNITY·ARLINGTON HEIGHTS SD 25·NCES 170414000098

Olive-Mary Stitt School

303 E Olive St, Arlington Heights, IL 60004 · (847) 398-4282 · Cook County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL671 STUDENTS
A-
allk12 Grade
Scored higher than 81% of Illinois public elementary schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public elementary schools

Enrollment
671
Elementary
DISTRICT 512 · STATE 381
Student : Teacher
14.0:1
48 FTE teachers
DISTRICT 12.0:1 · STATE 13.9:1
Free / Reduced Lunch
6%
43 students
DISTRICT 16% · STATE 56%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K223%
Kindergarten9414%
Grade 110716%
Grade 211417%
Grade 310315%
Grade 412018%
Grade 511117%

This year's kindergarten class (94) is 15% smaller than its 5th grade class (111).

Student demographics
35%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 69% · US 70%
White
53680%
DISTRICT 74% · STATE 45% · US 43%
Hispanic
609%
DISTRICT 10% · STATE 29% · US 30%
Black
162%
DISTRICT 1% · STATE 16% · US 15%
Asian
589%
DISTRICT 14% · STATE 6% · US 6%
Two+
10%
DISTRICT 0% · STATE 5% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
35553%
Female
31647%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
76.6%
IL avg 51.0% . +20.3pp since 2023
Math
73.0%
IL avg 37.9% . +21.5pp since 2023

What this means: On the IAR + ISA, Illinois's statewide test, about 77 of every 100 students at this school read and write at grade level and about 73 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 20 points since 2023, while math scores are up about 22 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2576.6%73.0%
2023-2456.3%51.5%
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
71.8%
composite math + reading, all grades
Predicted
67.8%
based on IL schools with similar FRL share
Beats by
+4.0pp
above demographic expectation

What this means: About 72% of students here test proficient in math and reading, compared with the roughly 68% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Olive-Mary Stitt School

Olive-Mary Stitt School's state test result (71.8% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Olive-Mary Stitt School this school6716.4%71.8%
Mayer Elementary School
Chicago
7078.8%74.6%
Bell-Graham Elementary School
Saint Charles
5207.7%80.1%
Wild Rose Elementary School
Saint Charles
5358.8%76.2%
Prairie Elementary School
Naperville
5158.3%84.0%
Lincoln Elementary School
Elmhurst
5274.4%81.8%
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Olive-Mary Stitt School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn Cook County
State test proficiency
ranked highest first
71.8%#101 of 1,925#38 of 760
Math proficiency
ranked highest first
73.0%#162 of 2,077
▲ 117
#64 of 829
▲ 32
Reading proficiency
ranked highest first
76.6%#196 of 2,077
▲ 122
#80 of 829
▲ 39
Enrollment
ranked largest first
671#160 of 2,419#97 of 901
Students per teacher
ranked fewest first
14.0:1#1,256 of 2,035#560 of 817
Diversity index
ranked most diverse first
34.6%#1,285 of 2,042#474 of 819
Free and reduced lunch
ranked highest share first
6.4%#2,116 of 2,132#800 of 804
Enrollment change since 2017-18
ranked fastest growth first
+10.9%#253 of 615#75 of 186
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
671
+32 (+5%) vs 2020
+60% since 1990-91, when it was 420
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2567147.814.0:16% (43)
2023-246354215.1:17% (44)
2022-2365841.216.0:17% (47)
2020-21639N/AN/AN/A
2017-186053716.3:16% (36)
2015-165803616.1:11% (4)
2010-115693317.2:18% (46)
2000-014822717.9:1N/A
1990-914202021.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Olive-Mary Stitt School.

Since 2017-18: students up 11% (605 to 671); teachers up 29% (37 to 47.8).

About Olive-Mary Stitt School

Olive-Mary Stitt School is an elementary school with a street address in Arlington Heights, Illinois. The school had 671 students in kindergarten through 5 in 2024-25. An average school in this group (elementary schools in Illinois) has about 381 students.

District-wide, Arlington Heights SD 25 has 9 schools and 5,423 students.

At 80%, White students outnumber all other groups at Olive-Mary Stitt School combined. Other students are 9% Hispanic, 9% Asian, and 2% Black. By comparison, Cook County residents are about 44% White. The chance that two students picked at random at Olive-Mary Stitt School belong to different racial or ethnic groups, known as the diversity index, is 35%.

Federal data list 47.8 full-time-equivalent teachers at Olive-Mary Stitt School in 2024-25, for a ratio of 14.0:1. Elementary schools in Illinois average about 13.9:1, a similar figure. The school's rate of free or reduced-price lunch eligibility is 6%. For comparison, public schools in Cook County average 66%.

The allk12 Grade for Olive-Mary Stitt School is A-. Compared with Illinois public elementary schools, the school scored higher than 81% on a mix of test scores, poverty-adjusted results, and recent trend.

In Illinois, Olive-Mary Stitt School is in the middle band of BeatsExpectations: 71.8% actual against a predicted 67.8%.

Federal survey data for Cook County show that median household income is about $83,498, roughly 43% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. Olive-Mary Stitt School is among the 1,406 public schools in Cook County.

Thomas Middle School is located about 0.2 miles from Olive-Mary Stitt School. Within five miles are at least 8 other public schools. Its average proficiency rate of 71.8% is above the 68.1% average for nearby schools.

The school's federal locale classification is Suburb: Large.

Enrollment was 639 in 2020-21 and 671 in 2024-25, a gain of 32 students.

Families, students, and staff can use this page to discuss science fairs, picture day, and bus routes at Olive-Mary Stitt School. Alumni can share how the school prepared them.

Cook County at a glance

View full county profile
Population
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students

Quick facts

School name
Olive-Mary Stitt School
District
Arlington Heights SD 25
Address
303 E Olive St, Arlington Heights, IL 60004
Phone
(847) 398-4282
County
Cook County
Level
Elementary
Grade range
KG–05
Total enrollment
671
Teachers (FTE)
48
Student–teacher ratio
14.0:1
Free and reduced lunch
43 (6%)
Locale
21-Suburb: Large
NCES ID
170414000098
Charter school
No
Virtual school
No

Related schools

Other schools in Arlington Heights SD 25
Other schools in Arlington Heights
Nearby schools

Frequently asked questions

About Olive-Mary Stitt School
How many students attend Olive-Mary Stitt School?
Olive-Mary Stitt School enrolls approximately 671 students in grades KG-05.
What age range does Olive-Mary Stitt School serve?
Olive-Mary Stitt School serves students from grade KG through grade 05.
How many students per teacher at Olive-Mary Stitt School?
Approximately 14.0:1 students per teacher at Olive-Mary Stitt School.
What is the student diversity at Olive-Mary Stitt School?
Student demographics at Olive-Mary Stitt School are roughly 80% White, 9% Hispanic, 2% Black, 9% Asian, 0% Two or more.
What district is Olive-Mary Stitt School in?
Olive-Mary Stitt School is part of Arlington Heights SD 25.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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