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SCHOOL COMMUNITY·CUSD 308·NCES 173027003129

Boulder Hill Elementary School

163 Boulder Hill Pass, Montgomery, IL 60538 · (630) 636-2900 · Kendall County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL476 STUDENTS
Enrollment
476
Elementary
DISTRICT 529 · STATE 381
Student : Teacher
10.8:1
44 FTE teachers
DISTRICT 14.5:1 · STATE 13.9:1
Free / Reduced Lunch
59%
280 students
DISTRICT 31% · STATE 56%
Community
5
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-K10%
Kindergarten7315%
Grade 18117%
Grade 28117%
Grade 37516%
Grade 49420%
Grade 57115%

This year's kindergarten class (73) is about the same size as its 5th grade class (71).

Student demographics
59%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 68% · STATE 69% · US 70%
White
11925%
DISTRICT 46% · STATE 45% · US 43%
Hispanic
27357%
DISTRICT 27% · STATE 29% · US 30%
Black
5411%
DISTRICT 11% · STATE 16% · US 15%
Asian
61%
DISTRICT 10% · STATE 6% · US 6%
Two+
235%
DISTRICT 5% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
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
26055%
Female
21645%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
37.6%
IL avg 51.0% . +13.6pp since 2023
Math
25.3%
IL avg 37.9% . +6.7pp since 2023

What this means: On the IAR + ISA, Illinois's statewide test, about 38 of every 100 students at this school read and write at grade level and about 25 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 14 points since 2023, while math scores are up about 7 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2537.6%25.3%
2023-2424.0%18.6%
% 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
31.3%
composite math + reading, all grades
Predicted
37.5%
based on IL schools with similar FRL share
Beats by
-6.2pp
below demographic expectation

What this means: About 31% of students here test proficient in math and reading, compared with the roughly 38% 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 Boulder Hill Elementary School

Boulder Hill Elementary School's state test result (31.3% proficient) is higher than 0 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
Boulder Hill Elementary School this school47658.8%31.3%
North Elementary School
Villa Park
43456.5%44.9%
Robert C Hill Elementary School
Romeoville
54762.2%45.6%
J Covington Elementary School
Oak Lawn
47056.0%38.5%
Irene King Elementary School
Romeoville
53363.8%49.6%
P H Miller Elementary School
Plano
43855.9%N/A
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 Boulder Hill Elementary School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn Kendall County
State test proficiency
ranked highest first
31.3%#1,236 of 1,925#20 of 22
Math proficiency
ranked highest first
25.3%#1,442 of 2,077
▼ 194
#21 of 22
▼ 2
Reading proficiency
ranked highest first
37.6%#1,431 of 2,077
▼ 18
#20 of 22
no change
Enrollment
ranked largest first
476#642 of 2,419#13 of 25
Students per teacher
ranked fewest first
10.8:1#249 of 2,035#2 of 21
Diversity index
ranked most diverse first
59.3%#610 of 2,042#15 of 21
Free and reduced lunch
ranked highest share first
58.8%#1,048 of 2,132#2 of 23
Enrollment change since 2017-18
ranked steepest decline first
-15.9%#623 of 1,461#6 of 11
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
476
-153 (-24%) vs 2020
-8% since 1990-91, when it was 517
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254764410.8:159% (280)
2023-245184312.1:156% (288)
2022-234904211.7:160% (293)
2020-21629N/AN/AN/A
2017-1856638.214.8:150% (284)
2015-166484115.8:144% (283)
2010-115083614.1:136% (183)
2000-016462624.9:1N/A
1990-915172520.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Boulder Hill Elementary School.

Since 2017-18: students down 16% (566 to 476); teachers up 15% (38.2 to 44).

About Boulder Hill Elementary School

The public elementary school Boulder Hill Elementary School is located in Montgomery, Illinois. The school serves 476 students in kindergarten through 5 in 2024-25. For comparison, elementary schools in Illinois average about 381 students.

The district, CUSD 308, has 16,766 students enrolled across 21 schools.

Hispanic students account for 57% of enrollment at Boulder Hill Elementary School. Other groups include 25% White, 11% Black, and 5% multiracial. The county population is about 22% Hispanic. Boulder Hill Elementary School has a diversity index of 59%, compared with 70% for all US public school students.

Teachers at the school number 44 full-time equivalents, and the ratio is 10.8:1. The 13.9:1 average for elementary schools in Illinois is higher than this school's figure. Lunch subsidy eligibility at Boulder Hill Elementary School is 59%. By comparison, the figure for public schools in Kendall County is 32%.

The BeatsExpectations prediction for Boulder Hill Elementary School is 37.5%, and its average proficiency rate on state tests is 31.3%.

Kendall County has these Census figures: median household income is about $111,601, a bachelor's degree or higher is held by about 37% of adults, and the poverty rate is about 5%. The public schools of Kendall County number 50 and enroll about 29,773.

The next-closest public school is Old Post Elementary School, about 0.5 miles away. There are at least 8 more public schools inside five miles. Boulder Hill Elementary School's average proficiency of 31.3% compares with 39.0% for its nearest scored neighbors.

The National Center for Education Statistics classifies the school's location as Suburb: Large, meaning it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Boulder Hill Elementary School saw enrollment fall 24% between 2020-21 and 2024-25.

Questions about science fairs, picture day, and bus routes can be posted here. Reviews and ratings from people who know the school are welcome.

Kendall County at a glance

View full county profile
Population
137,675
Census ACS
Median income
$111,601
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
50
29,773 students

Quick facts

School name
Boulder Hill Elementary School
District
CUSD 308
Address
163 Boulder Hill Pass, Montgomery, IL 60538
Phone
(630) 636-2900
County
Kendall County
Level
Elementary
Grade range
KG–05
Total enrollment
476
Teachers (FTE)
44
Student–teacher ratio
10.8:1
Free and reduced lunch
280 (59%)
Locale
21-Suburb: Large
NCES ID
173027003129
Charter school
No
Virtual school
No

Related schools

Other schools in CUSD 308
Other schools in Montgomery
Nearby schools

Frequently asked questions

About Boulder Hill Elementary School
How many students attend Boulder Hill Elementary School?
Boulder Hill Elementary School enrolls approximately 476 students in grades KG-05.
What grades does Boulder Hill Elementary School serve?
Boulder Hill Elementary School serves grades KG-05.
What is the student-teacher ratio at Boulder Hill Elementary School?
The student-to-teacher ratio at Boulder Hill Elementary School is approximately 10.8:1 (44 FTE teachers).
How diverse is Boulder Hill Elementary School?
Boulder Hill Elementary School reports a student body of 25% White, 57% Hispanic, 11% Black, 1% Asian, 5% Two or more.
What district is Boulder Hill Elementary School in?
Boulder Hill Elementary School is part of CUSD 308.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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