For the 2025 school year, there are 8 public elementary schools serving 1,967 students in Washington County, MO.
The top ranked public elementary schools in Washington County, MO are Potosi Elementary School, Kingston Elementary School and Trojan Intermediate. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Washington County, MO public elementary schools have an average math proficiency score of 45% (versus the Missouri public elementary school average of 42%), and reading proficiency score of 52% (versus the 42% statewide average). Elementary schools in Washington County have an average ranking of 9/10, which is in the top 20% of Missouri public elementary schools.
Minority enrollment is 4% of the student body (majority Hispanic), which is less than the Missouri public elementary school average of 32% (majority Black).
Best Public Elementary Schools in Washington County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Potosi Elementary School
(Math: 55-59% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
205 State Hwy P
Potosi, MO 63664
(573) 438-2223
Potosi, MO 63664
(573) 438-2223
Gr: PK-3 | 610 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #22.
Kingston Elementary School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
10047 Diamond Rd
Cadet, MO 63630
(573) 438-4982
Cadet, MO 63630
(573) 438-4982
Gr: 3-5 | 167 students Student-teacher ratio: 11:1 Minority enrollment: 3%
Rank: #33.
Trojan Intermediate
(Math: 53% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
367 Intermediate Dr
Potosi, MO 63664
(573) 436-8108
Potosi, MO 63664
(573) 436-8108
Gr: 4-6 | 469 students Student-teacher ratio: 13:1 Minority enrollment: 5%
Rank: #44.
Citadel School
Special Education School
(Math: <50% | Reading: <50% )
Rank:
Rank:
5/
Bottom 50%10
400 S Mine
Potosi, MO 63664
(573) 438-2472
Potosi, MO 63664
(573) 438-2472
Gr: K-12 | 4 students Student-teacher ratio: 4:1
Rank: #55.
Caledonia Elementary School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
1 Viking Dr
Caledonia, MO 63631
(573) 779-3446
Caledonia, MO 63631
(573) 779-3446
Gr: PK-6 | 178 students Student-teacher ratio: 9:1 Minority enrollment: 1%
Rank: #66.
Kingston Middle School
(Math: 25-29% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
10047 Diamond Rd
Cadet, MO 63630
(573) 438-4982
Cadet, MO 63630
(573) 438-4982
Gr: 6-8 | 171 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #77.
Richwoods Elementary School
(Math: 25-29% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
10788 State Hwy A
Richwoods, MO 63071
(573) 678-2257
Richwoods, MO 63071
(573) 678-2257
Gr: PK-8 | 147 students Student-teacher ratio: 9:1 Minority enrollment: 3%
Rank: n/an/a
10047 Diamond Rd
Cadet, MO 63630
(573) 438-4982
Cadet, MO 63630
(573) 438-4982
Gr: PK-2 | 221 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Washington County Public Schools (Closed)
School
Location
Quick Facts
#2 Viking Drive
Caledonia, MO 63631
(573) 766-5689
Caledonia, MO 63631
(573) 766-5689
Gr: K-2 | 96 students Student-teacher ratio: 32:1 Minority enrollment: 2%
Citadel (Closed 2023)
Special Education School
400 South Mines
Potosi, MO 63664
(573) 438-2472
Potosi, MO 63664
(573) 438-2472
Gr: Inquire with school | 10 students Student-teacher ratio: 10:1 Minority enrollment: 10%
400 N Mine
Potosi, MO 63664
(573) 438-9863
Potosi, MO 63664
(573) 438-9863
Gr: PK | 60 students Minority enrollment: 7%
Frequently Asked Questions
What are the top ranked public elementary schools in Washington County, MO?
The top ranked public elementary schools in Washington County, MO include Potosi Elementary School, Kingston Elementary School and Trojan Intermediate.
How many public elementary schools are located in Washington County?
8 public elementary schools are located in Washington County.
What is the racial composition of students in Washington County?
Washington County public elementary schools minority enrollment is 4% of the student body (majority Hispanic), which is less than the Missouri public elementary schools average of 32% (majority Black).
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