For the 2026 school year, there are 8 public schools serving 2,001 students in Delaware County, IA (there are 1 private school, serving 253 private students). 89% of all K-12 students in Delaware County, IA are educated in public schools (compared to the IA state average of 90%).
The top-ranked public schools in Delaware County, IA are Delhi Elementary School, Johnston Elementary School and Maquoketa Valley Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Delaware County, IA public schools have an average math proficiency score of 80% (versus the Iowa public school average of 68%), and reading proficiency score of 78% (versus the 70% statewide average). Schools in Delaware County have an average ranking of 10/10, which is in the top 10% of Iowa public schools.
Minority enrollment is 8% of the student body (majority Hispanic and Black), which is less than the Iowa public school average of 30% (majority Hispanic).
Best Public Schools in Delaware County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Delhi Elementary School
(Math: 90-94% | Reading: 85-89%)
Rank:
Rank:
10/
Top 5%10
112 Third Street
Delhi, IA 52223
(563) 922-9411
Delhi, IA 52223
(563) 922-9411
Gr: 3-5 | 166 students Student-teacher ratio: 18:1 Minority enrollment: 5%
Rank: #22.
Johnston Elementary School
(Math: ≥90% | Reading: ≥90% )
Rank:
Rank:
10/
Top 10%10
131 Culver Road
Hopkinton, IA 52237
(563) 926-2701
Hopkinton, IA 52237
(563) 926-2701
Gr: 1-2 | 94 students Student-teacher ratio: 12:1 Minority enrollment: 5%
Rank: #33.
Maquoketa Valley Middle School
(Math: 85-89% | Reading: 80-84%)
Rank:
Rank:
10/
Top 10%10
112 Third Street
Delhi, IA 52223
(563) 922-9411
Delhi, IA 52223
(563) 922-9411
Gr: 6-8 | 145 students Student-teacher ratio: 16:1 Minority enrollment: 3%
Rank: #44.
Maquoketa Valley Senior High School
(Math: 75-79% | Reading: 80-84%)
Rank:
Rank:
8/
Top 30%10
107 South St
Delhi, IA 52223
(563) 922-2091
Delhi, IA 52223
(563) 922-2091
Gr: 9-12 | 206 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #55.
West Delaware Middle School
(Math: 78% | Reading: 77%)
Rank:
Rank:
8/
Top 30%10
1101 Doctor St
Manchester, IA 52057
(563) 927-3515
Manchester, IA 52057
(563) 927-3515
Gr: 5-8 | 378 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #66.
Lambert Elementary School
(Math: 80-84% | Reading: 70-74%)
Rank:
Rank:
8/
Top 30%10
1001 Doctor St
Manchester, IA 52057
(563) 927-3515
Manchester, IA 52057
(563) 927-3515
Gr: PK-4 | 449 students Student-teacher ratio: 14:1 Minority enrollment: 16%
Rank: #77.
West Delaware High School
(Math: 74% | Reading: 76%)
Rank:
Rank:
6/
Top 50%10
605 New St
Manchester, IA 52057
(563) 927-3515
Manchester, IA 52057
(563) 927-3515
Gr: 9-12 | 436 students Student-teacher ratio: 13:1 Minority enrollment: 8%
Rank: #88.
Earlville Elementary School
(Math: ≥80% | Reading: ≥80% )
Rank:
Rank:
5/
Bottom 50%10
213 Stow St
Earlville, IA 52041
(563) 923-3225
Earlville, IA 52041
(563) 923-3225
Gr: PK-K | 91 students Student-teacher ratio: 13:1 Minority enrollment: 4%
Delaware County Public Schools (Closed)
School
Location
Quick Facts
300 E Howard St
Manchester, IA 52057
(563) 927-5017
Manchester, IA 52057
(563) 927-5017
Gr: PK-K | 43 students Student-teacher ratio: 7:1 Minority enrollment: 2%
Frequently Asked Questions
What are the top-ranked public schools in Delaware County, IA?
The top-ranked public schools in Delaware County, IA include Delhi Elementary School, Johnston Elementary School and Maquoketa Valley Middle School.
How many public schools are located in Delaware County?
8 public schools are located in Delaware County.
What percentage of students in Delaware County go to public school?
89% of all K-12 students in Delaware County are educated in public schools (compared to the IA state average of 90%).
What is the racial composition of students in Delaware County?
Delaware County public schools minority enrollment is 8% of the student body (majority Hispanic and Black), which is less than the Iowa public schools average of 30% (majority Hispanic).
Which public schools in Delaware County are often viewed compared to one another?
Popular comparisons of public schools in Delaware County include: Maquoketa Valley Middle School vs. West Delaware Middle School, Lambert Elementary School vs. Delhi Elementary School, Delhi Elementary School vs. Lambert Elementary School
Recent Articles
The School Choice Comparison Worksheet: 15 Factors Beyond Test Scores
Compare public schools with confidence using this 15-factor worksheet that looks beyond test scores to school culture, programs, safety, and student support.
Boundary Changes and Rezoning: How to Protect Your Child's School Plan
Learn why school boundary changes happen, how rezoning affects families, and the practical steps parents can take to protect their child's educational plan.
Teacher Turnover: How to Read the Warning Signs
Learn how to identify warning signs of teacher turnover, what causes frequent staff changes, and how parents can evaluate school stability.