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SCHOOL COMMUNITY·BYRON CUSD 226·NCES 170801004559

Mary Morgan Elementary School

420 N Colfax St, Byron, IL 61010 · (815) 234-5491 · Ogle County
GRADES PK–05ELEMENTARY31-TOWNREGULAR SCHOOL631 STUDENTS
Enrollment
631
Elementary
DISTRICT 487 · STATE 381
Student : Teacher
12.2:1
52 FTE teachers
DISTRICT 12.2:1 · STATE 13.9:1
Free / Reduced Lunch
29%
182 students
DISTRICT 25% · 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-K549%
Kindergarten9114%
Grade 19014%
Grade 29315%
Grade 39715%
Grade 410216%
Grade 510416%

This year's kindergarten class (91) is 13% smaller than its 5th grade class (104).

Student demographics
24%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 26% · STATE 69% · US 70%
White
54687%
DISTRICT 85% · STATE 45% · US 43%
Hispanic
488%
DISTRICT 9% · STATE 29% · US 30%
Black
71%
DISTRICT 1% · STATE 16% · US 15%
Asian
30%
DISTRICT 0% · STATE 6% · US 6%
Two+
274%
DISTRICT 4% · 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
31750%
Female
31450%

School pathway

Students here typically continue to
Mary Morgan Elementary School→Byron Middle School→Byron High School 9-12
Based on grade levels within Byron CUSD 226. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
70.0%
IL avg 51.0% . +27.4pp since 2023
Math
71.7%
IL avg 37.9% . +24.7pp since 2023

What this means: On the IAR + ISA, Illinois's statewide test, about 70 of every 100 students at this school read and write at grade level and about 72 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 27 points since 2023, while math scores are up about 25 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2570.0%71.7%
2023-2442.6%47.0%
% 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
65.5%
composite math + reading, all grades
Predicted
54.9%
based on IL schools with similar FRL share
Beats by
+10.6pp
above demographic expectation

What this means: About 66% of students here test proficient in math and reading, compared with the roughly 55% 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 Mary Morgan Elementary School

Mary Morgan Elementary School's state test result (65.5% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mary Morgan Elementary School this school63128.8%65.5%
Galena Elementary and Middle School
Galena
57630.7%58.7%
Washington School
Monticello
54326.0%53.6%
Highland Elementary School
Highland
50431.0%53.8%
West Elementary School
Crystal Lake
52028.7%51.6%
Manteno Elementary School
Manteno
69434.3%54.6%
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 Mary Morgan Elementary School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn Ogle County
State test proficiency
ranked highest first
65.5%#196 of 1,925#1 of 7
Math proficiency
ranked highest first
71.7%#189 of 2,077
▲ 175
#1 of 7
▲ 1
Reading proficiency
ranked highest first
70.0%#345 of 2,077
▲ 365
#1 of 7
▲ 3
Enrollment
ranked largest first
631#215 of 2,419#2 of 12
Students per teacher
ranked fewest first
12.2:1#611 of 2,035#2 of 9
Diversity index
ranked most diverse first
24.4%#1,514 of 2,042#7 of 9
Free and reduced lunch
ranked highest share first
28.8%#1,807 of 2,132#9 of 9
Enrollment change since 2017-18
ranked steepest decline first
-14.6%#678 of 1,461N/A
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
631
-45 (-7%) vs 2020
+15% since 1990-91, when it was 549
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2563151.912.2:129% (182)
2023-2462649.512.6:129% (180)
2022-236595112.9:126% (169)
2020-21676N/AN/AN/A
2017-1873951.414.4:119% (142)
2015-166524315.2:120% (131)
2010-117104715.1:117% (124)
2000-013842316.7:1N/A
1990-915493615.3:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Mary Morgan Elementary School.

Since 2017-18: students down 15% (739 to 631); teachers up 1% (51.4 to 51.9).

About Mary Morgan Elementary School

Mary Morgan Elementary School is one of the public schools in Byron, Illinois. It is a large elementary school. The school had 631 students in pre-K through 5 in 2024-25. Average enrollment for elementary schools in Illinois is about 381, so this school runs 66% larger than that.

Mary Morgan Elementary School is in Byron CUSD 226, a district with 1,461 students across 3 schools.

About 87% of the student body at Mary Morgan Elementary School is White. The rest of enrollment is 8% Hispanic and 4% multiracial. The White share in Ogle County as a whole is similar, at about 86%. Mary Morgan Elementary School's diversity index is 24%, against a US figure of 70%.

Mary Morgan Elementary School employs 51.9 full-time-equivalent teachers. That gives a ratio of about 12.2:1. The school has fewer students per teacher than the 13.9:1 average for elementary schools in Illinois. Mary Morgan Elementary School's free or reduced-price lunch eligibility rate is 29%. On average, public schools in Ogle County report 40%.

Test results at Mary Morgan Elementary School are 10.6 points above what its free or reduced-price lunch share predicts (65.5% actual, 54.9% predicted).

In the county around the school, Ogle County, the median household income is $82,132, roughly 24% of adults have a four-year degree or more, and about 6% of residents live below the federal poverty line. There are 26 public schools in Ogle County, enrolling about 8,269 students in all.

Byron High School 9-12 is located about 0.1 miles from Mary Morgan Elementary School. The five-mile area around Mary Morgan Elementary School holds 5 other public schools. The nearest schools with test data average 53.3%, lower than Mary Morgan Elementary School's 65.5%.

Federal records code the school's setting as Town: Fringe.

Enrollment at Mary Morgan Elementary School declined 7% between 2020-21 and 2024-25, from 676 to 631 students.

The allk12 site hosts a discussion page for Mary Morgan Elementary School covering things like sports schedules, lunch menus, and spirit week. Posting is open to anyone connected to the school.

Ogle County at a glance

View full county profile
Population
51,495
Census ACS
Median income
$82,132
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
26
8,269 students

Quick facts

School name
Mary Morgan Elementary School
District
Byron CUSD 226
Address
420 N Colfax St, Byron, IL 61010
Phone
(815) 234-5491
County
Ogle County
Level
Elementary
Grade range
PK–05
Total enrollment
631
Teachers (FTE)
52
Student–teacher ratio
12.2:1
Free and reduced lunch
182 (29%)
Locale
31-Town: Fringe
NCES ID
170801004559
Charter school
No
Virtual school
No

Related schools

Other schools in Byron CUSD 226
Other schools in Byron
Nearby schools

Frequently asked questions

About Mary Morgan Elementary School
How large is Mary Morgan Elementary School?
Mary Morgan Elementary School enrolls approximately 631 students in grades PK-05.
Is Mary Morgan Elementary School an elementary, middle, or high school?
Mary Morgan Elementary School is an elementary school covering grades PK-05.
How many students per teacher at Mary Morgan Elementary School?
Approximately 12.2:1 students per teacher at Mary Morgan Elementary School.
How diverse is Mary Morgan Elementary School?
Mary Morgan Elementary School reports a student body of 87% White, 8% Hispanic, 1% Black, 0% Asian, 4% Two or more.
What district is Mary Morgan Elementary School in?
Mary Morgan Elementary School is part of Byron CUSD 226.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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