Columbia Climate School Academic Calendar
The Academic Calendar lays out key registration dates, exam and grade deadlines, university holidays, and school-wide events including Orientation and Class Day.
Dates are subject to change. It is the responsibility of students and faculty to review this page periodically for the most up-to-date information.
AY2025-2026 Academic Calendar
Fall term: September 2-December 8 (classes)
Subterm A: September 2-October 20 (classes)
Subterm B: October 21-December 8 (classes)
AUGUST
Aug 25-28: New student orientation
SEPTEMBER
Sep 1: Labor Day – University Holiday
Sep 2: First Day of Classes
Sep 12: Last day to Add a Class; Last day to receive tuition refund for Dropped Class (if enrolled over 18 credits); Last day to drop Subterm A class without appearing on transcript
OCTOBER
Sept 29: Last day to elect P/F, drop with W for Subterm A
Oct 7: Last day to drop a full-term class without it appearing on transcript
Oct 29: Subterm A grades due
Oct 31: Last day to drop Subterm B classes without appearing on transcript
NOVEMBER
Nov 3: No Classes – Academic Holiday
Nov 4: Election Day – University Holiday
Nov 13: Last day to elect a class as Pass/Fail or drop with W for full-term class
Nov 17: Last day to elect P/F, drop with W for Subterm B
Nov 26: No classes – Academic Holiday
Nov 27: University Holiday – Thanksgiving
Nov 28: University Holiday
DECEMBER
Dec 8: Last Day of Classes
Dec 9-11: Study Days
Dec 12-19: Final Exams
JANUARY
Jan 2: Fall grades due by at 9:30pm ET (tentative)
Spring term: January 20 – May 4
Subterm A: January 21 – March 9
Subterm B: March 23 – May 4
JANUARY
Jan 19: Martin Luther King Jr. Day – University Holiday
Jan 20: First Day of Classes
Jan 30: Last day to Add a Class; Last day to drop Subterm A class without appearing on Transcript
FEBRUARY
Feb 16: Last day to elect P/F or drop with W for Subterm A
Feb 24: Last day to drop full-term class without it appearing on transcript
MARCH
Mar 15: Subterm A grades due
Mar 16-20: Spring Recess – No classes
Mar 26: Last day to elect a class as Pass/Fail or drop with W for full-term class
Mar 27: Last day to drop Subterm B classes without appearing on transcript
APRIL
Apr 10: Last day to elect P/F, drop with W for Subterm B
MAY
May 4: Last Day of Classes
May 5-7: Study Days
May 9-15: Final Exams
May 15: Spring grades due by 9:30pm for graduating students (tentative)
May 15: Climate School Class Day
May 20: University Commencement
May 21: Spring grades due by 9:30pm for non-graduating students (tentative)
AY2024-2025 Academic Calendar
JULY
Jul 15: Registration Office Hours (zoom)
Jul 29: Registration for Fall 2024 classes begin
Jul 30: Registration Office Hours (zoom)
AUGUST
Aug 26-29: Orientation
SEPTEMBER
Sep 2: Labor Day - University Holiday
Sep 3: First Day of Classes
Sep 13: Last day to Add a Class; Last day to receive tuition refund for Dropped Class (if enrolled over 20 credits)
Sep 23: Last day to drop Climate School Subterm A course(s) without appearing on transcript
OCTOBER
Oct 7: Last day to elect P/F or R credit for Climate School Subterm A course(s)
Oct 8: Last day to drop a class without it appearing on transcript
NOVEMBER
Nov 4: No Classes
Nov 5: Election Day - University Holiday
Nov 11: Last day to drop a Climate School Subterm B course(s) without appearing on transcript
Nov 14: Last day to elect a class as Pass/Fail or R credit, or drop course for a W
Nov 18-22: Early Registration for Spring Semester courses
Nov 27: No Classes
Nov 28: Thanksgiving Day - University Holiday
Nov 29: University Holiday
DECEMBER
Dec 2-6: Early Registration for Spring Semester courses
Dec 9: Last Day of Classes
Dec 10-12: Study Days
Dec 13-20: Final Exams
JANUARY
Jan 3: Fall grades due by 9:30pm ET
JANUARY
Jan 20: Martin Luther King Jr. Day - University Holiday
Jan 21: First Day of Classes
Jan 31: Last day to Add a Class; Last day to receive tuition refund for Dropped Class (if enrolled over 20 credits)
FEBRUARY
Feb 10: Last day to drop Climate School Subterm A course(s) without appearing on transcript
Feb 24: Last day to elect P/F or R credit for Climate School Subterm A course(s)
Feb 25: Last day to Drop a Class without it appearing on transcript
MARCH
Mar 17-21: Spring Recess
Mar 27: Last day to elect a class as Pass/Fail or R credit, or drop course for a W
APRIL
Apr 7: Last day to drop Climate School Subterm B course(s) without appearing on transcript
Apr 21: Last day to elect P/F or R credit for Climate School Subterm B course(s)
MAY
May 5: Last Day of Classes
May 6-9: Study Days
May 9-16: Final Exams
May 16: Climate School Class Day
May 16: Spring grades due for graduating students by 9:30pm ET
May 21: University Commencement
May 22: Spring grades due for non-graduating students by 9:30pm ET
MAY
May 26: Memorial Day - University Holiday
May 27: Session A and X classes begin
JUNE
June 2: Last day to Add a Class for Session X and Session A Course(s)
June 13: Last day to Drop a Session A Course(s)
June 19: Juneteenth - University Holiday
June 23: Last day to Withdraw, Change to P/F, or Change to R credit for Session A Course(s)
JULY
July 2-3: Session A Final Exams (exams held during normal class times)
July 3: Last day to Drop a Session X Course(s)
July 4: Session A Ends; Independence Day - University Holiday
July 7: Session B Begins
July 11: Last day to Add a Class for Session B Course(s)
July 21: Last to Withdraw, Change to P/F, or Change to R credit for Session X Course(s)
July 25: Last day to Drop a Session B Course(s)
AUGUST
August 4: Last day to Withdraw, Change to P/F, or Change to R Credit for Session B Course(s)
August 14-15: Sessions B and Session X Final Exams (exams held during normal class times)
August 15: Session X and Session B End