Enrollment
308
Elementary
DISTRICT 355 · STATE 381
SCHOOL COMMUNITY·DEKALB CUSD 428·NCES 171200001451
Jefferson Elementary School
211 McCormick Dr, Dekalb, IL 60115 · (815) 754-2263 · DeKalb County
GRADES KG–05ELEMENTARY23-SUBURBTITLE IREGULAR SCHOOL308 STUDENTS
Student : Teacher
11.2:1
28 FTE teachers
DISTRICT 14.7:1 · STATE 13.9:1
Free / Reduced Lunch
57%
175 students
DISTRICT 69% · STATE 56%
Community
0
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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 36 | 12% |
| Grade 1 | 48 | 16% |
| Grade 2 | 50 | 16% |
| Grade 3 | 72 | 23% |
| Grade 4 | 51 | 17% |
| Grade 5 | 51 | 17% |
This year's kindergarten class (36) is 29% smaller than its 5th grade class (51).
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · STATE 69% · US 70%
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
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
46.0%
IL avg 51.0% . +16.6pp since 2023
Math
49.7%
IL avg 37.9% . +12.6pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 46 of every 100 students at this school read and write at grade level and about 50 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 17 points since 2023, while math scores are up about 13 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 46.0% | 49.7% |
| 2023-24 | 29.4% | 37.1% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.0%
composite math + reading, all grades
Predicted
38.7%
based on IL schools with similar FRL share
Beats by
+6.3pp
above demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 39% 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 Jefferson Elementary School
Jefferson Elementary School's state test result (45.0% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Jefferson Elementary School this school | 308 | 56.8% | 45.0% |
| Haskell Elementary School Rockford | 301 | 62.1% | 53.1% |
| Leal Elementary School Urbana | 373 | 59.5% | 37.1% |
| Stevenson Elementary School Bloomington | 299 | 55.5% | 31.5% |
| Westview Elementary School Champaign | 434 | 55.3% | 35.3% |
| Kenwood Elementary School Champaign | 402 | 56.7% | 36.5% |
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 Jefferson Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In DeKalb County |
|---|---|---|---|
| State test proficiency ranked highest first | 45.0% | #738 of 1,925 | #13 of 22 |
| Math proficiency ranked highest first | 49.7% | #674 of 2,077 ▼ 60 | #9 of 22 ▼ 2 |
| Reading proficiency ranked highest first | 46.0% | #1,151 of 2,077 ▲ 53 | #13 of 22 ▼ 1 |
| Enrollment ranked largest first | 308 | #1,497 of 2,419 | #10 of 24 |
| Students per teacher ranked fewest first | 11.2:1 | #318 of 2,035 | #3 of 23 |
| Diversity index ranked most diverse first | 73.1% | #55 of 2,042 | #1 of 23 |
| Free and reduced lunch ranked highest share first | 56.8% | #1,106 of 2,132 | #9 of 23 |
| Enrollment change since 2017-18 ranked steepest decline first | -5.2% | #1,182 of 1,461 | #8 of 13 |
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 2024-25Enrollment
308
+10 (+3%) vs 2020
-30% since 1990-91, when it was 438
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 308 | 27.6 | 11.2:1 | 57% (175) |
| 2023-24 | 321 | 27.2 | 11.8:1 | 66% (212) |
| 2022-23 | 319 | 23.3 | 13.7:1 | 63% (200) |
| 2020-21 | 298 | N/A | N/A | N/A |
| 2017-18 | 325 | 21.9 | 14.8:1 | 53% (173) |
| 2015-16 | 315 | 17 | 18.5:1 | 55% (173) |
| 2010-11 | 316 | 17 | 18.6:1 | 51% (162) |
| 2000-01 | 318 | 23 | 13.8:1 | N/A |
| 1990-91 | 438 | 21 | 20.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Jefferson Elementary School.
Since 2017-18: students down 5% (325 to 308); teachers up 26% (21.9 to 27.6).
About Jefferson Elementary School
Among the schools in Dekalb, Illinois, is Jefferson Elementary School, a low-enrollment elementary school. Enrollment totals 308 students across kindergarten through 5.
Jefferson Elementary School is one school in a 12-school district, DeKalb CUSD 428, which enrolls 6,771 students.
White students account for 36% of enrollment at Jefferson Elementary School, more than any other group. Other students are 31% Black, 18% Hispanic, 8% multiracial, and 7% Asian. By comparison, DeKalb County residents are about 74% White. On the diversity index, which measures the chance that two random students are from different groups, Jefferson Elementary School scores 73%.
On staff are 27.6 full-time-equivalent teachers; the student-to-teacher ratio is 11.2:1. Statewide, elementary schools in Illinois average 13.9:1. Jefferson Elementary School has a free or reduced-price lunch rate of 57%. By comparison, the figure for public schools in DeKalb County is 48%.
Given its share of students eligible for free or reduced-price lunch, Jefferson Elementary School would be expected to post about 38.7%. Its actual average proficiency rate across its state test results is 45.0%.
The school's county is DeKalb County. According to Census Bureau estimates, median household income comes to about $70,724, 33% of adults hold a bachelor's degree or higher, and about 10% of people live in poverty. There are 43 public schools in the county, enrolling about 16,328, Jefferson Elementary School among them.
DeKalb High School is the nearest public school to Jefferson Elementary School, about 0.5 miles away. Other public schools within five miles number at least 8. The school's 45.0% average proficiency ranks 1st among 8 nearby schools.
The National Center for Education Statistics classifies the school's location as Suburb: Small, meaning it is in a suburban area outside a principal city, within an urbanized area with a population under 100,000.
Enrollment rose 3% over 4 years, reaching 308 in 2024-25.
The Jefferson Elementary School discussion page is a place for homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.
DeKalb County at a glance
View full county profilePopulation
100,703
Census ACS
Median income
$70,724
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
43
16,328 students
Quick facts
Related schools
Other schools in DeKalb CUSD 428
- DeKalb High SchoolHigh · 2,134 students
- Huntley Middle SchoolMiddle · 865 students
- Clinton Rosette Middle SchoolMiddle · 575 students
- Founders Elementary SchoolElementary · 565 students
- Cortland Elementary SchoolElementary · 523 students
- Littlejohn Elementary SchoolElementary · 362 students
Other schools in Dekalb
- DeKalb High SchoolHigh · 2,134 students
- Huntley Middle SchoolMiddle · 865 students
- Clinton Rosette Middle SchoolMiddle · 575 students
- Founders Elementary SchoolElementary · 565 students
- Littlejohn Elementary SchoolElementary · 362 students
- Gwendolyn Brooks Elementary SchoolElementary · 328 students
Other Jefferson Elementary schools
143 other US public schools in 31 states are named Jefferson Elementary. Jefferson Elementary School is the 101st largest of the 144.
- Jefferson Elementary SchoolCharleston, IL · 698 students
- Jefferson Elementary SchoolBerwyn, IL · 453 students
- Jefferson Elementary SchoolSterling, IL · 450 students
- Jefferson Elementary SchoolMarion, IL · 376 students
- Jefferson Elementary SchoolMorton, IL · 354 students
Nearby schools
- DeKalb High School0.5 mi · 2,134
- Clinton Rosette Middle School0.8 mi · 575
- Littlejohn Elementary School1.0 mi · 362
- Gwendolyn Brooks Elementary School1.3 mi · 328
- Founders Elementary School1.9 mi · 565
- Tyler Elementary School2.1 mi · 265
Frequently asked questions
About Jefferson Elementary SchoolWhat is the total enrollment at Jefferson Elementary School?
Jefferson Elementary School enrolls approximately 308 students in grades KG-05.
What grades does Jefferson Elementary School serve?
Jefferson Elementary School serves grades KG-05.
What is the student-teacher ratio at Jefferson Elementary School?
The student-to-teacher ratio at Jefferson Elementary School is approximately 11.2:1 (28 FTE teachers).
What is the racial breakdown of students at Jefferson Elementary School?
At Jefferson Elementary School, the student body is approximately 36% White, 18% Hispanic, 31% Black, 7% Asian, 8% Two or more.
Is Jefferson Elementary School public or private?
Jefferson Elementary School is a public K-12 school, overseen by DeKalb CUSD 428.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.