Enrollment
275
Elementary
DISTRICT 223 · STATE 381
SCHOOL COMMUNITY·SANDWICH CUSD 430·NCES 173537004741
Herman E Dummer
422 S Wells St, Sandwich, IL 60548 · (815) 786-8498 · DeKalb County
GRADES 04–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL275 STUDENTS
Student : Teacher
14.8:1
19 FTE teachers
DISTRICT 16.1:1 · STATE 13.9:1
Free / Reduced Lunch
49%
135 students
DISTRICT 46% · 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 |
|---|---|---|
| Grade 4 | 139 | 51% |
| Grade 5 | 136 | 49% |
Student demographics
36%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 40% · 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
School pathway
Students here typically continue to
Feeds from
Based on grade levels within Sandwich CUSD 430. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
63.1%
IL avg 51.0% . +18.5pp since 2023
Math
48.7%
IL avg 37.9% . +17.2pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 63 of every 100 students at this school read and write at grade level and about 49 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 19 points since 2023, while math scores are up about 17 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 63.1% | 48.7% |
| 2023-24 | 44.6% | 31.5% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.7%
composite math + reading, all grades
Predicted
43.2%
based on IL schools with similar FRL share
Beats by
+8.6pp
above demographic expectation
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 43% 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 Herman E Dummer
Herman E Dummer's state test result (51.7% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Herman E Dummer this school | 275 | 49.1% | 51.7% |
| Grant Park Elementary School Grant Park | 325 | 48.6% | 57.9% |
| Wethersfield Elementary School Kewanee | 296 | 48.6% | 49.1% |
| Lincoln Elementary School Oglesby | 328 | 50.0% | 34.6% |
| Earlville Elementary School Earlville | 253 | 45.1% | 41.5% |
| Lincoln Elementary School Pontiac | 227 | 50.2% | 26.8% |
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 Herman E Dummer ranks
Among elementary schools| Measure | This school | In Illinois | In DeKalb County |
|---|---|---|---|
| State test proficiency ranked highest first | 51.7% | #540 of 1,925 | #8 of 22 |
| Math proficiency ranked highest first | 48.7% | #703 of 2,077 ▲ 59 | #10 of 22 ▼ 1 |
| Reading proficiency ranked highest first | 63.1% | #572 of 2,077 ▲ 80 | #4 of 22 no change |
| Enrollment ranked largest first | 275 | #1,683 of 2,419 | #16 of 24 |
| Students per teacher ranked fewest first | 14.8:1 | #1,494 of 2,035 | #17 of 23 |
| Diversity index ranked most diverse first | 35.6% | #1,264 of 2,042 | #16 of 23 |
| Free and reduced lunch ranked highest share first | 49.1% | #1,325 of 2,132 | #11 of 23 |
| Enrollment change since 2017-18 ranked fastest growth first | +6.2% | #388 of 615 | #4 of 8 |
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
275
-19 (-6%) vs 2020
-25% since 2010-11, when it was 365
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 | 275 | 18.6 | 14.8:1 | 49% (135) |
| 2023-24 | 254 | 21.2 | 12.0:1 | 44% (111) |
| 2022-23 | 257 | 21.5 | 11.9:1 | 42% (109) |
| 2020-21 | 294 | N/A | N/A | N/A |
| 2017-18 | 259 | 23 | 11.3:1 | 46% (118) |
| 2015-16 | 317 | 21 | 15.1:1 | 45% (143) |
| 2010-11 | 365 | 25 | 14.6:1 | 35% (129) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Herman E Dummer.
Since 2017-18: students up 6% (259 to 275); teachers down 19% (23 to 18.6).
About Herman E Dummer
Herman E Dummer is a public small elementary school in Sandwich, Illinois. A federal count lists 275 students at the school, in grades 4 through 5. Average enrollment for elementary schools in Illinois is about 381, so this school runs 28% smaller than that.
Sandwich CUSD 430 has a total of 6 schools and 1,872 students, Herman E Dummer among them.
Roughly 78% of students at Herman E Dummer are White. Beyond that, enrollment is 18% Hispanic and 3% multiracial. That is close to the 74% White share among all DeKalb County residents. Herman E Dummer's diversity index is 36%, against a US figure of 70%.
Federal data list 18.6 full-time-equivalent teachers at Herman E Dummer in 2024-25, for a ratio of 14.8:1. That is higher than the 13.9:1 average for elementary schools in Illinois. The lunch program counts 49% of students at Herman E Dummer as eligible for free or reduced-price meals. For comparison, public schools in DeKalb County average 48%.
On a poverty-adjusted basis, Herman E Dummer falls in the middle 80% of Illinois schools: 51.7% actual against 43.2% predicted.
County data help place the school in context: in DeKalb County, the median household income is $70,724, a bachelor's degree or higher is held by about 33% of adults, and the share of residents below the poverty line is 10%. DeKalb County is home to 43 public schools and about 16,328 public school students.
The nearest public school is Sandwich Middle School, at less than a tenth of a mile. Around the school, at least 8 other public schools are within five miles. Of the 9 nearby schools with scores, including this one, Herman E Dummer is 5th on average proficiency.
Locale data from NCES put Herman E Dummer in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
Enrollment at Herman E Dummer dropped 6% between 2020-21 and 2024-25, from 294 to 275 students.
Community posts for Herman E Dummer can cover school safety, transportation, and start times. Questions from prospective families are welcome 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 Sandwich CUSD 430
- Sandwich Community High SchoolHigh · 560 students
- Sandwich Middle SchoolMiddle · 420 students
- Lynn G Haskin Elementary SchoolElementary · 226 students
- Prairie View Elementary SchoolElementary · 221 students
- W W Woodbury Elementary SchoolElementary · 170 students
Other schools in Sandwich
- Sandwich Community High SchoolHigh · 560 students
- Sandwich Middle SchoolMiddle · 420 students
- Lynn G Haskin Elementary SchoolElementary · 226 students
- Prairie View Elementary SchoolElementary · 221 students
- W W Woodbury Elementary SchoolElementary · 170 students
- Indian Valley Area Voc CenterHigh
Nearby schools
- Sandwich Middle School0.1 mi · 420
- Lynn G Haskin Elementary School0.2 mi · 226
- Sandwich Community High School0.3 mi · 560
- W W Woodbury Elementary School0.5 mi · 170
- Prairie View Elementary School1.2 mi · 221
- James R Wood Elementary School3.6 mi · 298
Frequently asked questions
About Herman E DummerWhat is the total enrollment at Herman E Dummer?
Herman E Dummer enrolls approximately 275 students in grades 04-05.
What age range does Herman E Dummer serve?
Herman E Dummer serves students from grade 04 through grade 05.
How many teachers does Herman E Dummer have?
Herman E Dummer employs 19 FTE teachers, for a student-to-teacher ratio of 14.8:1.
How diverse is Herman E Dummer?
Herman E Dummer reports a student body of 78% White, 18% Hispanic, 1% Black, 1% Asian, 3% Two or more.
Who oversees Herman E Dummer?
Herman E Dummer is overseen by Sandwich CUSD 430 in DeKalb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.