Question 1

Where can I find CASTLIO ELEM.'s school calendar?

Accepted Answer

You can view and subscribe to CASTLIO ELEM.'s complete 2025-26 school calendar on this page. Add it directly to Google Calendar, Apple Calendar, or Outlook.

Question 2

What grades does CASTLIO ELEM. serve?

Accepted Answer

CASTLIO ELEM. serves grades 0-5 with approximately 838 students enrolled for the 2024-25 school year.

Question 3

Is CASTLIO ELEM. a public, charter, or private school?

Accepted Answer

CASTLIO ELEM. is a public school in the FRANCIS HOWELL R-III, located in ST CHARLES, MO.

Question 4

What is the student-teacher ratio at CASTLIO ELEM.?

Accepted Answer

CASTLIO ELEM. has a student-teacher ratio of 13.1:1. This is lower than the national average, indicating smaller class sizes.

Question 5

Where is CASTLIO ELEM. located?

Accepted Answer

CASTLIO ELEM. is located in ST CHARLES, MO. It is classified as a suburban school.

Question 6

What percentage of students at CASTLIO ELEM. qualify for free or reduced lunch?

Accepted Answer

Approximately 12.29% of students at CASTLIO ELEM. qualify for free or reduced-price lunch (FRPL). This is below the national average.

CASTLIO ELEM. School Calendar 2025-26

School Profile

School Statistics

Academics (SY 2020-21)

Programs & Activities (SY 2021-22)

District Finance (FY 2023)

Community Context

Enrollment Trend (2014-2025)

Full School Calendar 2025-26

Frequently Asked Questions about CASTLIO ELEM.