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
Grades
Students
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
Grades: PK-3
| 610 students
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
Grades: 3-5
| 167 students
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
Grades: 4-6
| 469 students
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
Grades: K-12
| 4 students
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
Grades: PK-6
| 178 students
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
Grades: 6-8
| 171 students
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
Grades: PK-8
| 147 students
Rank: n/an/a
10047 Diamond Rd
Cadet, MO 63630
(573) 438-4982
Cadet, MO 63630
(573) 438-4982
Grades: PK-2
| 221 students
Washington County Public Schools (Closed)
School
Location
Grades
Students
#2 Viking Drive
Caledonia, MO 63631
(573) 766-5689
Caledonia, MO 63631
(573) 766-5689
Grades: K-2
| 96 students
Citadel (Closed 2023)
Special Education School
400 South Mines
Potosi, MO 63664
(573) 438-2472
Potosi, MO 63664
(573) 438-2472
Grades: Inquire with school
| 10 students
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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