For the 2026-27 school year, there are 4 public preschools serving 1,156 students in Washington County, MO.
The top-ranked public preschools in Washington County, MO are Potosi Elementary School, Caledonia Elementary School and Richwoods Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Washington County, MO public preschools have an average math proficiency score of 41% (versus the Missouri public pre school average of 35%), and reading proficiency score of 44% (versus the 37% statewide average). Pre schools in Washington County have an average ranking of 8/10, which is in the top 30% of Missouri public pre schools.
Minority enrollment is 3% of the student body (majority Hispanic), which is less than the Missouri public preschool average of 37% (majority Black).
Best Public Preschools in Washington County (2026-27)
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 | 683 students Student-teacher ratio: 13:1 Minority enrollment: 3%
Rank: #22.
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 | 198 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #33.
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 | 137 students Student-teacher ratio: 9:1 Minority enrollment: 2%
Rank: n/an/a
10047 Diamond Rd
Cadet, MO 63630
(573) 438-4982
Cadet, MO 63630
(573) 438-4982
Gr: PK-2 | 229 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 preschools in Washington County, MO?
The top-ranked public preschools in Washington County, MO include Potosi Elementary School, Caledonia Elementary School and Richwoods Elementary School.
How many public preschools are located in Washington County?
4 public preschools are located in Washington County.
What is the racial composition of students in Washington County?
Washington County public preschools minority enrollment is 3% of the student body (majority Hispanic), which is less than the Missouri public preschools average of 37% (majority Black).
Recent Articles
Can Your Child Get Into School Clubs and Activities?
Discover whether your child can access advertised school clubs and activities, including enrollment limits, tryouts, fees, transportation, scheduling conflicts, and essential questions parents should ask before choosing schools today.
Who Supervises Students When Their Teacher Is Out?
Discover who supervises students when regular teachers are absent, how schools arrange classroom coverage, what qualifications substitutes need, and which questions parents should ask about safety and learning continuity.
When the School Nurse Isn't There: Parent Guide
Learn what happens when school nurses are absent, how public schools handle medications and emergencies, and which essential questions parents should ask to protect their children's health and safety daily.