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SCHOOL COMMUNITY·MARENGO-UNION E CONS D 165·NCES 170007705249

Locust Elem School

539 Locust St, Marengo, IL 60152 · (815) 568-7632 · McHenry County
GRADES PK–03ELEMENTARY31-TOWNTITLE IREGULAR SCHOOL501 STUDENTS
Enrollment
501
Elementary
DISTRICT 375 · STATE 381
Student : Teacher
14.4:1
35 FTE teachers
DISTRICT 15.1:1 · STATE 13.9:1
Free / Reduced Lunch
55%
278 students
DISTRICT 56% · STATE 56%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
81
Kindergarten
99
Grade 1
94
Grade 2
128
Grade 3
98
Grade 4
1
Student demographics
White
28557%
DISTRICT 58% · STATE 45%
Hispanic
17535%
DISTRICT 35% · STATE 29%
Black
61%
DISTRICT 1% · STATE 16%
Asian
31%
DISTRICT 0% · STATE 6%
Two+
296%
DISTRICT 5% · STATE 5%
Native American
31%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
27455%
Female
22745%

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
54.7%
IL avg 51.0% . +18.3pp since 2023
Math
67.4%
IL avg 37.9% . +36.8pp since 2023
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
51.9%
composite math + reading, all grades
Predicted
39.5%
based on IL schools with similar FRL share
Beats by
+12.4pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
501
+24 (+5%) vs 2017
Student : Teacher
14.4:1
was 14.8:1
% White
57%
was 69%
% Hispanic
35%
was 26%
% Black
1%
was 1%
Source: NCES Common Core of Data

About Locust Elem School

Locust Elem School is one of the moderately sized elementary-level communitys in Marengo, Illinois, overseen by Marengo-Union E Cons D 165, with 501 students on its rolls from grades pre-K through 3. That puts it 31% larger than the typical public school in Illinois, which averages around 381 students.

Locust Elem School is one of 3 schools operated by Marengo-Union E Cons D 165, a district that instructs 1,092 students overall.

For racial and ethnic makeup, Locust Elem School shows that 57% of the student body identifies as White. Other groups include 35% Hispanic, 6% multiracial. That is noticeably less White than the county at large, where the share is closer to 80%.

Looking at the economic backdrop, On paper, Locust Elem School has 35 full-time-equivalent teachers, translating to a class-load average of around 14.4:1. That tracks the state average closely. An estimated 55% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is above McHenry County's rate of about 35%.

Adjusting for the school's free-and-reduced-lunch share, Locust Elem School tracks the demographic baseline. The model predicts 39.5% given the school's FRL share; actual proficiency is 51.9%.

In the broader community, the surrounding county (McHenry County) shows that median household earnings sit near $104,802, roughly 35% of adults have completed at least a four-year degree, and the poverty rate sits near 4%. Across McHenry County's 89 public schools (combined enrollment of about 50,123 students), Locust Elem School is one campus in the mix.

The closest other public school is Marengo Comm Middle School, roughly 0.3 miles away. Counting just inside five miles, 4 other public schools cluster around Locust Elem School. Ranking that nearby cluster on reported proficiency puts Locust Elem School at 4th of 9; the average score across the group is 51.4%.

The campus sits in a small-town setting.

Five-year trend. Over the past 7-year window, the student count edged up 5%: 477 students in 2018 compared to 501 in 2025. The White share of enrollment fell from 69% to 57% over that span.

Within the allk12 community for this school, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

McHenry County at a glance

View full county profile
Population
312,591
Census ACS
Median income
$104,802
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
89
50,123 students

Quick facts

School name
Locust Elem School
District
Marengo-Union E Cons D 165
Address
539 Locust St, Marengo, IL 60152
Phone
(815) 568-7632
County
McHenry County
Level
Elementary
Grade range
PK–03
Total enrollment
501
Teachers (FTE)
35
Student–teacher ratio
14.4:1
Free/Reduced lunch
278 (55%)
Locale
31-Town: Fringe
NCES ID
170007705249
Charter school
No
Virtual school
No

Related schools

Other schools in Marengo-Union E Cons D 165
Other schools in Marengo
Nearby schools

Frequently asked questions

About Locust Elem School
What is the total enrollment at Locust Elem School?
Locust Elem School enrolls approximately 501 students in grades PK-03.
What age range does Locust Elem School serve?
Locust Elem School serves students from grade PK through grade 03.
How many students per teacher at Locust Elem School?
Approximately 14.4:1 students per teacher at Locust Elem School.
What is the student diversity at Locust Elem School?
Student demographics at Locust Elem School are roughly 57% White, 35% Hispanic, 1% Black, 1% Asian, 6% Two or more.
Who oversees Locust Elem School?
Locust Elem School is overseen by Marengo-Union E Cons D 165 in McHenry County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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