Feb 10

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 12

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 13

All day

Drop Grade (W) Required for Dropped Classes (19-Week Classes)

Feb 13

All day

Drop Grade (W) Required for Dropped Classes (18-Week Classes)

Feb 16

Featured All day

President’s Day – College Closed

Feb 17

All day

College Development Day – No Classes

Feb 17

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 19

All day

Drop Grade (W) Required for Dropped Classes (14-Week Classes)

Feb 19

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 24

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 26

8:00 am - 7:30 pm

OTC Dental Clinic

Feb 27

All day

Last Day to Drop or Withdraw (1st 8-Week Classes)

Mar 3

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 5

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 6

All day

Final Exams and Last Day of Classes (1st 8-Week Classes)

Mar 6

Featured 11:00 am - 12:00 pm

Associate of Science in Nursing Pinning Ceremony

Mar 9

All day

FACULTY: Midterm Grades Due (16-Week Classes). Due No Later Than 10 a.m.

Mar 9

All day

FACULTY: Final Grades Due (1st 8-Week Classes). Due No Later Than 10 a.m.

Mar 10

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 12

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 13

All day

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

Mar 13

All day

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

Mar 16

All day

FACULTY: Midterm Grades Due (14-Week Classes). Due No Later Than 10 a.m.

Mar 16

Featured March 16, 2026 - March 22, 2026

Spring Break (No Classes)

Mar 17

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 19

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 20

All day

Canvas Sites Open (2nd 8-Week Classes)

Mar 20

Featured March 20, 2026 - March 22, 2026

Spring Break (College Closed)

Mar 23

All day

First Day of 2nd 8-Week Classes

Mar 23

March 23, 2026 - March 26, 2026

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

Mar 24

Featured All day

Registration Opens at Midnight for All Students for Summer 2026, Fall 2026 and Spring 2027

Mar 24

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 26

All day

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

Mar 26

All day

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

Mar 26

8:00 am - 7:30 pm

OTC Dental Clinic

Mar 27

All day

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

Mar 29

All day

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

Mar 31

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 1

Featured All day

Missouri-Based Financial Aid Final Deadline for the 2026-2027 FAFSA

Apr 2

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 6

All day

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

Apr 7

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 9

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 14

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 16

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 20

All day

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

Apr 21

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 23

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 28

8:00 am - 7:30 pm

OTC Dental Clinic

Apr 30

8:00 am - 7:30 pm

OTC Dental Clinic

May 1

Featured All day

Financial Aid SAP Appeal Deadline for Spring Term

May 1

Featured All day

Direct Student Loan Deadline for Spring Term

May 4

All day

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

May 5

8:00 am - 7:30 pm

OTC Dental Clinic

May 7

All day

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

May 7

All day

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

May 7

8:00 am - 7:30 pm

OTC Dental Clinic

May 8

All day

Last Day of Classes (16-Week Classes)

May 11

Featured May 11, 2026 - May 14, 2026

Final Exam Period (16-Week Classes)

May 12

All day

Last Day to Drop (18-Week Classes)

May 12

8:00 am - 7:30 pm

OTC Dental Clinic

May 14

All day

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

May 14

All day

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

May 14

Featured All day

Commencement

May 14

8:00 am - 7:30 pm

OTC Dental Clinic

May 14

Featured 10:00 am - 11:00 am

Associate of Science in Nursing Pinning Ceremony

May 15

All day

Course Canvas sites open (summer intersession classes)

May 18

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 18

All day

Last day for 100% Refund (summer intersession classes)

May 18

All day

Classes Begin (summer intersession classes)

May 18

May 18, 2026 - May 19, 2026

Change of Schedule and Late Registration (summer intersession classes)

May 19

All day

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

May 19

All day

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

May 19

All day

Last day for 50% Refund (summer intersession classes)

May 19

8:00 am - 7:30 pm

OTC Dental Clinic

May 20

Featured All day

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

May 21

All day

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

May 21

8:00 am - 7:30 pm

OTC Dental Clinic

May 22

All day

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

May 25

Featured All day

Memorial Day (College Closed)

May 25

Featured All day

Memorial Day (College closed)

May 26

All day

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

May 26

8:00 am - 7:30 pm

OTC Dental Clinic

May 27

All day

Last Day to Drop/Withdraw (summer intersession classes)

May 28

8:00 am - 7:30 pm

OTC Dental Clinic

May 29

All day

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

May 29

All day

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

May 29

Featured All day

Transcripts with SP25 Degrees Conferred Available

May 29

All day

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

May 29

All day

End of Classes (summer intersession classes)

May 29

All day

Final Assessments/Exams (summer intersession classes)

Jun 1

All day

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

Jun 1

Featured All day

OTC Scholarship Application Period Closes for Fall and Summer Term

Jun 1

All day

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

Jun 1

All day

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

Jun 1

All day

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

Jun 1

June 1, 2026 - June 4, 2026

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

Jun 2

8:00 am - 7:30 pm

OTC Dental Clinic

Jun 3

All day

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

Jun 4

8:00 am - 7:30 pm

OTC Dental Clinic