For the 2025-26 school year, there are 5 public high schools serving 4,535 students in Dubuque County, IA.
The top ranked public high schools in Dubuque County, IA are Cascade Junior-senior High School, Western Dubuque High School and Dubuque Senior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Dubuque County, IA public high schools have an average math proficiency score of 69% (versus the Iowa public high school average of 65%), and reading proficiency score of 70% (versus the 71% statewide average). High schools in Dubuque County have an average ranking of 6/10, which is in the top 50% of Iowa public high schools.
Dubuque County, IA public high school have a Graduation Rate of 86%, which is less than the Iowa average of 87%.
The school with highest graduation rate is Western Dubuque High School, with 97% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 20% of the student body (majority Black), which is less than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Dubuque County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cascade Junior-senior High School
(Math: 86% | Reading: 84%)
Rank:
Rank:
10/
Top 10%10
505 Johnson St Nw
Cascade, IA 52033
(563) 258-7114
Cascade, IA 52033
(563) 258-7114
Gr: 6-12 | 381 students Student-teacher ratio: 12:1 Minority enrollment: 10%
Rank: #22.
Western Dubuque High School
(Math: 77% | Reading: 79%)
Rank:
Rank:
8/
Top 30%10
302 5th Ave Sw
Epworth, IA 52045
(563) 258-4030
Epworth, IA 52045
(563) 258-4030
Gr: 9-12 | 897 students Student-teacher ratio: 16:1 Minority enrollment: 5%
Rank: #33.
Dubuque Senior High School
(Math: 67% | Reading: 66%)
Rank:
Rank:
4/
Bottom 50%10
1800 Clarke Dr
Dubuque, IA 52001
(563) 552-5500
Dubuque, IA 52001
(563) 552-5500
Gr: 9-12 | 1,466 student Student-teacher ratio: 11:1 Minority enrollment: 27%
Rank: #44.
Hempstead High School
(Math: 67% | Reading: 65%)
Rank:
Rank:
4/
Bottom 50%10
3715 Pennsylvania Ave
Dubuque, IA 52002
(563) 552-5200
Dubuque, IA 52002
(563) 552-5200
Gr: 9-12 | 1,549 student Student-teacher ratio: 15:1 Minority enrollment: 23%
Rank: n/an/a
2300 Chaney Rd
Dubuque, IA 52001
(563) 552-3000
Dubuque, IA 52001
(563) 552-3000
Gr: 6-12 | 242 students Student-teacher ratio: 22:1 Minority enrollment: 23%
Dubuque County Public Schools (Closed)
School
Location
Quick Facts
867 Bernard Road
Bernard, IA 52032
(563) 879-3190
Bernard, IA 52032
(563) 879-3190
Gr: 1-3 | 30 students Student-teacher ratio: 10:1 Minority enrollment: 3%
Central Alternative High School (Closed 2011)
Alternative School
39 Bluff
Dubuque, IA 52001
(563) 552-5800
Dubuque, IA 52001
(563) 552-5800
Gr: 9-12
2540 Central Ave
Dubuque, IA 52001
(563) 552-3650
Dubuque, IA 52001
(563) 552-3650
Gr: PK-5 | 243 students Minority enrollment: 63%
1090 Alta Vista
Dubuque, IA 52001
(563) 552-5850
Dubuque, IA 52001
(563) 552-5850
Gr: PK | 51 students Student-teacher ratio: 4:1 Minority enrollment: 21%
1090 Alta Vista
Dubuque, IA 52001
(563) 552-5850
Dubuque, IA 52001
(563) 552-5850
Gr: PK-8 | 78 students Minority enrollment: 8%
Frequently Asked Questions
What are the top ranked public high schools in Dubuque County, IA?
The top ranked public high schools in Dubuque County, IA include Cascade Junior-senior High School, Western Dubuque High School and Dubuque Senior High School.
How many public high schools are located in Dubuque County?
5 public high schools are located in Dubuque County.
What is the racial composition of students in Dubuque County?
Dubuque County public high schools minority enrollment is 20% of the student body (majority Black), which is less than the Iowa public high schools average of 27% (majority Hispanic).
Which public high schools in Dubuque County are often viewed compared to one another?
Popular comparisons of public high schools in Dubuque County include: Hempstead High School vs. Dubuque Senior High School, Dubuque Senior High School vs. Hempstead High School, Western Dubuque High School vs. Dubuque Senior High School
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