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 Important Dates

  
  
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7/1/2025Payment Deadline: Students must pay fall fees by July 1st or 2 weeks after registration (whichever is later) to avoid the possibility of being dropped from classes
7/21/2025Fall Registration for Students who have completed 100 or more units at COS
8/8/2025FLEX Day; Registration is available at www.cos.edu
8/11/2025Fall Semester Begins
8/11/2025Fall Late WEB Registration With Instructor Add Codes
8/24/2025Last Day to Drop a Class Without a "W" and be Eligible for a Refund
9/1/2025Labor Day Holiday (no classes)
9/2/2025WEB Admission Applications Begin for Spring 2026 at www.cos.edu
10/16/2025Last Day to File for Associate Degree for Fall 2025
10/17/2025Fall Final Drop Date - Drop Classes on the WEB; this drop date does not apply to short-term classes as each short-term class has its own drop date
10/27/2025Spring WEB Registration for Priority Registration/Continuing Students
11/11/2025Veterans' Day Holiday (no classes)
11/17/2025Spring Registration for students who have completed ALL matriculation
11/18/2025Spring Registration for Early College High Schools (VTEC/UPHS)
11/19/2025Spring WEB OPEN Registration for Eligible Students
11/19/2025Registration for Students on Probation
11/26/2025Thanksgiving Holiday (no classes and offices closed)
12/1/2025Spring WEB Registration for Concurrently Enrolled High School Students
12/10/2025Fall Final Exams
12/16/2025Fall Semester Ends
12/16/2025Last Day to Make Up Incomplete "I" Grades for Fall 2024 semester
12/17/2025Winter Break (no classes)
1/2/2026Spring Registration for Students who have completed 100 or more units at COS
1/9/2026FLEX Day; Registration is available at www.cos.edu
1/12/2026Spring Semester Begins
1/12/2026Spring Late WEB Registration With Instructor Add Codes
1/19/2026Martin Luther King Jr. Holiday; Registration is available at www.cos.edu
1/25/2026Last Day to Drop a Class Without a "W" and Eligible for a Refund
2/13/2026Lincoln Day Holiday (no classes)
2/16/2026Presidents' Day Holiday (no classes)
2/19/2026Last Day to File for Associate Degree for Spring 2026
3/20/2026Spring Final Drop Date - Drop Classes on the WEB; this drop date does not apply to short-term classes as each short-term class has its own drop date
3/30/2026Spring Break (no classes); Offices open March 30 - April 1; closed April 2 - 3
5/14/2026Spring Final Exams
5/20/2026Spring Semester Ends; Last Day to Make Up Incomplete "I" Grades for Spring 2025 Semester
5/21/2026Commencement Ceremony

  

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