CASTLIO ELEM.

Regular School · ST CHARLES, MO

CASTLIO ELEM. is a regular school school in ST CHARLES, Missouri, serving grades KG–05 with 847 students enrolled (SY 2024-2025). The student-teacher ratio is 12.9:1.

Level

Elementary

Grades

KG – 05

Enrollment

847

Teachers (FTE)

65.4

Student–Teacher Ratio

12.9:1

Status

Open

Lunch Program Participation

Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity	Students	Share
White	625	74%
Asian	65	8%
Hispanic/Latino	54	6%
Two or more races	54	6%
Black or African American	46	5%
American Indian / Alaska Native	3	0%
Total enrollment	847	454M / 393F

English Language Learners: 49 (6% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric	This School	State Avg	Tested
Math Proficiency	59.0% +22.1pp	36.9%	387
Reading Proficiency	65.0% +18.4pp	46.6%	388
Science Proficiency	55-59%	—	120

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)

+0.43 grade levels

Math

+0.03 grade levels

Programs & Discipline

Gifted & Talented

Program offered

54 students enrolled

Out-of-School Suspensions

0.4% of enrollment · SY 2021–22

Chronically Absent

105

12.4% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category	Students	% of School
Total enrollment (est.)	847	100%

Contact & Location

1020 DINGLEDINE RD

ST CHARLES, MO 63304

Phone: (636)851-4300

http://fhsdschools.org

District

FRANCIS HOWELL R-III

Per-pupil expenditure: $18,801

District enrollment: 17,124

Other Schools in District

BECKY-DAVID ELEM. Elementary
CENTRAL ELEM. Elementary
DANIEL BOONE ELEM. Elementary
FAIRMOUNT ELEM. Elementary
HARVEST RIDGE ELEM. Elementary
HENDERSON ELEM. Elementary
INDEPENDENCE ELEM. Elementary
JOHN WELDON ELEM. Elementary

View all 22 schools →

Related Data

Neighborhood demographics (ZIP 63304) → CensusDepth.com
Missouri population & income data → CensusDepth.com
Missouri teacher salaries → WageDepth.com

NCES ID

292895001856

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD