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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%

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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
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
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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