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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
Enrollment
275
Elementary
DISTRICT 223 · STATE 381
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
Grade 4
139
Grade 5
136
Student demographics
White
21578%
DISTRICT 75% · STATE 45%
Hispanic
4918%
DISTRICT 21% · STATE 29%
Black
21%
DISTRICT 1% · STATE 16%
Asian
21%
DISTRICT 1% · STATE 6%
Two+
73%
DISTRICT 3% · STATE 5%
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
14352%
Female
13248%

School pathway

Students here typically continue to
Herman E DummerSandwich Middle SchoolSandwich Community High School
Feeds from
Lynn G Haskin Elementary SchoolPK03Prairie View Elem SchoolPK03W W Woodbury Elem SchoolPK03
Based on grade levels within Sandwich CUSD 430. Attendance zones can vary; confirm enrollment with the district.

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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.

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
51.7%
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 →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
275
+16 (+6%) vs 2017
Student : Teacher
14.8:1
was 11.3:1
% White
78%
was 75%
% Hispanic
18%
was 20%
% Black
1%
was 0%
% Asian
1%
was 0%
Source: NCES Common Core of Data

About Herman E Dummer

Herman E Dummer is one of the tight-knit primary schools in Sandwich, Illinois, overseen by Sandwich CUSD 430, with 275 students on its rolls from grades 4 through 5. Compared to the state average of about 381 students per school, that is 28% smaller than typical.

Sandwich CUSD 430 comprises 6 schools with combined enrollment of 1,872 students; Herman E Dummer is among them.

For racial and ethnic makeup, Herman E Dummer shows that White students make up the majority at 78%; the rest comes out to 18% Hispanic, 3% multiracial. That mix tracks the wider county fairly closely.

Looking at school resources, On paper, Herman E Dummer has 19 full-time-equivalent teachers, translating to a class-load average of around 14.8:1. Statewide, the average ratio sits near 13.9:1, putting Herman E Dummer higher than the state norm the norm. About 49% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Herman E Dummer tracks the demographic baseline. The model predicts 43.2% given the school's FRL share; actual proficiency is 51.7%.

In the surrounding community, the surrounding county (DeKalb County) reports that the typical household earns roughly $70,724 per year, 33% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. Across DeKalb County's 43 public schools (combined enrollment of about 16,328 students), Herman E Dummer is one campus in the mix.

The closest other public school is Sandwich Middle School, roughly 0.1 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Herman E Dummer at 5th of 9; the average score across the group is 54.5%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Looking back 7 years, enrollment at Herman E Dummer has edged up 6%, going from 259 students in 2018 to 275 in 2025. The student-to-teacher ratio loosened from 11.3:1 in 2018 to 14.8:1 today.

On allk12, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.

DeKalb County at a glance

View full county profile
Population
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

School name
Herman E Dummer
District
Sandwich CUSD 430
Address
422 S Wells St, Sandwich, IL 60548
Phone
(815) 786-8498
County
DeKalb County
Level
Elementary
Grade range
04–05
Total enrollment
275
Teachers (FTE)
19
Student–teacher ratio
14.8:1
Free/Reduced lunch
135 (49%)
Locale
21-Suburb: Large
NCES ID
173537004741
Charter school
No
Virtual school
No

Related schools

Other schools in Sandwich CUSD 430
Other schools in Sandwich
Nearby schools

Frequently asked questions

About Herman E Dummer
What 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.
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