1-833-933-4TFD 
Address
1020 DINGLEDINE RD
ST CHARLES, MO 63304
Phone Number
636-851-4300
Website
School Type
Public School
Grades Served
KG-05
School Level
Elementary
Also Known As
CASTLIO ELEM. (Official Name Supplied)
Student and Staff Info
Number of Teachers: 65
Student Enrollment: 936
Teacher Student Ratio: 14.40
--Gathered from public sources that schools self report. These may be inaccurate.--
School District
District PTA/PTO Buying Guide
District Specific Buying Guide
Interactive Map
Missouri Education Info
Missouri Compulsory School Age Requirements in 2026: What Parents Need to Know
Missouri School Attendance Laws in 2026: What Parents and Schools Need to Know
Missouri School Bus Basics: What Families Should Know About Student Transportation in 2026
Other Close Schools
Lincoln Elementary School in St Charles, MO (0.0 miles)
Hollenbeck Middle School in St Charles, MO (0.0 miles)
Francis Howell North High School in St Charles, MO (0.0 miles)
Seton Regional Catholic School in Saint Charles, MO (0.4 miles)
Lewis Clark Career Ctr in St Charles, MO (1.2 miles)
Related School Info
View All Schools In St Charles, MO
View All School Districts In St Charles, MO
View All School Districts In Missouri
View All Schools and School Districts In And Around 63304
Schools With "Career" in Their Name in The United States
Schools With "Clark" in Their Name in The United States
Schools With "Lewis" in Their Name in The United States
Schools That Make You Think About Daniel Day Lewis
Information is generated using publicly accessible school-supplied data and may be inaccurate
Last Updated: 2026-06-09 00:20:08 || School Id: 52147