Mar 12

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Mar 13

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 14

All day

Canvas Sites Open (2nd 8-Week Classes)

Mar 16

Featured March 16, 2025 - March 23, 2025

Spring Break (No Classes)

Mar 17

All day

FACULTY: Midterm Grades Due (19-Week Classes, 18-Week Classes, 20-Week Classes, and 14-Week Classes). Due No Later Than 10 a.m.

Mar 18

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 19

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Mar 20

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 21

Featured March 21, 2025 - March 23, 2025

Spring Break (College Closed)

Mar 24

All day

First Day of 2nd 8-Week Classes

Mar 24

March 24, 2025 - March 27, 2025

Change of Schedule and Late Registration (2nd 8-Week Classes)

Mar 25

Featured All day

Registration Opens at Midnight for All Students for Summer 2025, Fall 2025 and Spring 2026

Mar 25

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 26

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Mar 27

All day

Last Day of 100% Refund (2nd 8-Week Classes)

Mar 27

All day

Last Day to Declare Audit Status for a Class (2nd 8-Week Classes)

Mar 27

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 30

All day

Last Day of 50% Refund (2nd 8-Week Classes)

Apr 1

All day

Missouri-Based Financial Aid Final Deadline for the 2025-2026 FAFSA

Apr 1

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 2

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Apr 3

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 7

All day

Drop Grade (W) Required for Dropped Classes (2nd 8-Week Classes)

Apr 8

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 9

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Apr 10

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 15

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 16

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Apr 17

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 21

All day

FACULTY: Midterm Grades Due (2nd 8-Week Classes). Due No Later Than 10 a.m.

Apr 22

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 23

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Apr 24

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 29

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 30

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

May 1

All day

Financial Aid SAP Appeal Deadline for Spring Term

May 1

All day

Direct Student Loan Deadline for Spring Term

May 1

8:00 am - 7:30 pm

OTC Dental Clinic

May 2

All day

Last Day to Drop or Withdraw from Classes (14-Week Classes)

May 5

All day

Last Day to Drop or Withdraw from Classes (16-Week Classes)

May 6

8:00 am - 7:30 pm

OTC Dental Clinic

May 7

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

May 8

All day

Last Day to Drop (2nd 8-Week Classes)

May 8

8:00 am - 7:30 pm

OTC Dental Clinic

May 9

All day

Last Day of Classes and Final Exams (14-Week Classes)

May 9

Featured May 9, 2025 @ 11:00 am - July 11, 2025 @ 12:00 pm

ASN Pinning

May 13

All day

Last Day to Drop (18-Week Classes)

May 13

All day

Last Day to Drop or Withdraw from Classes (19-Week Classes)

May 13

8:00 am - 7:30 pm

OTC Dental Clinic

May 14

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

May 15

All day

Last Day of Classes (16-Week Classes)

May 15

All day

Final Exam Period (16-Week Classes)

May 15

All day

Last Day of Classes and Final Exams (2nd 8-Week Classes)

May 15

8:00 am - 7:30 pm

OTC Dental Clinic

May 15

Featured 5:00 pm - 8:00 pm

Commencement

May 16

All day

Course Canvas sites open (summer intersession classes)

May 19

All day

FACULTY: Final Grades Due (16-Week Classes, 14-Week Classes, and 2nd 8-Week Classes). Due No Later Than 10 a.m.

May 19

All day

Last day for 100% Refund (summer intersession classes)

May 19

All day

Classes Begin (summer intersession classes)

May 19

All day

Change of Schedule and Late Registration (summer intersession classes)

May 20

All day

Last Day to Drop or Withdraw from Classes (20-Week Classes)

May 20

All day

Last day for 50% refund (summer intersession classes)

May 20

8:00 am - 7:30 pm

OTC Dental Clinic

May 21

All day

Transcripts with Final Grades Available for 18-Week, 16-Week, 14-Week and 2nd 8-Week Classes

May 21

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

May 22

All day

Drop Grade (W) Required for Dropped Classes (summer intersession classes)

May 22

8:00 am - 7:30 pm

OTC Dental Clinic

May 23

All day

Last Day of Classes and Final Exams (19-Week Classes)

May 23

All day

Last Day of Classes and Final Exams (18-Week Classes)

May 26

Featured All day

Memorial Day (College Closed)

May 27

All day

FACULTY: Final Grades Due (19-Week Classes). Due No Later Than 10 a.m.

May 27

All day

FACULTY: Final Grades Due (18-Week Classes). Due No Later Than 10 a.m.

May 27

8:00 am - 7:30 pm

OTC Dental Clinic

May 28

All day

Last Day to Drop/Withdraw (summer intersession classes)

May 28

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

May 29

8:00 am - 7:30 pm

OTC Dental Clinic

May 30

All day

Last Day of Classes and Final Exams (20-Week Classes)

May 30

All day

Transcripts with SP25 Degrees Conferred Available

May 30

All day

Course Canvas sites open (10-week classes, 1st 5-week classes)

May 30

All day

End of Classes (summer intersession classes)

May 30

All day

Final Assessments/Exams (summer intersession classes)

Jun 1

Featured All day

OTC Scholarship Application Period Closes for Fall and Summer Term

Jun 2

All day

FACULTY: Final Grades Due (20-Week Classes). Due No Later Than 10 a.m.

Jun 2

All day

Classes Begin (10-week classes & 1st 5-week classes)

Jun 2

All day

Final Grades Due @10:00 AM (summer intersession classes)

Jun 2

June 2, 2025 - June 5, 2025

Change of Schedule and Late Registration (10-week classes & 1st 5-week classes)

Jun 3

8:00 am - 7:30 pm

OTC Dental Clinic

Jun 4

All day

Last day for 100% Refund and last day to declare “Audit” status (1st 5-week classes)

Jun 4

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Jun 5

8:00 am - 7:30 pm

OTC Dental Clinic

Jun 6

All day

Course Canvas sites open (8-week classes)

Jun 6

All day

Last day for 50% Refund (1st 5-week classes)

Jun 6

All day

Last day for 100% Refund and last day to declare “audit” status (10-week classes)

Jun 9

All day

Classes Begin (8-week classes)

Jun 9

June 9, 2025 - June 12, 2025

Change of Schedule and Late Registration (8-week classes)

Jun 10

All day

Last day for 50% refund (10-week classes)

Jun 10

8:00 am - 7:30 pm

OTC Dental Clinic

Jun 11

Featured 11:30 am - 12:30 pm

OTC Chi Alpha Campus Life

Free

Jun 12

All day

Last day for 100% Refund & Last day to declare “Audit” status (8-week classes)

Jun 12

All day

Drop Grade (W) Required for Dropped Classes (1st 5-week classes)