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Dates + Deadlines

2026-2027 Calendars

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Request Form for Class Absences Related to Faith, Belief, and/or Religious Observance

Summer 2026

CSU Bio Summer Courses

Promotional graphic for “Summer Session 2026 Biology Courses” from Colorado State University’s Biology Department. The left side features a green box with QR codes and text encouraging students to schedule an appointment with an Academic Success Coordinator and to visit the Office of the Registrar for more course information. Behind the box is a campus photo showing students walking across the CSU pedestrian bridge. The right side lists available Summer 2026 biology courses, including online, on‑campus, field, and study abroad options such as Humans and Other Animals, Principles of Animal Biology, Vertebrates, Introduction to Evolution, Plant Identification, Animal Behavior, Cell Biology, Developmental Biology, Mycology, Biology Field Practicum, Tropical Ecology, Molecular and General Genetics, Marine Biology, and several study abroad courses in Honduras, Kenya, Madagascar, and more. CSU Biology and Colorado State University logos appear at the bottom left. The design features orange and green branding elements.

Calendar

Date 

 Event
May 18 Monday: 1st 4 Week, 8 Week, and 12 Week Terms Begin
May 25 Monday: University Holiday, Memorial Day – Offices Closed, No Classes
June 8 Master’s Thesis Defense – Scott Otto, “Belowground Plant Responses to Compound Climate Extremes in the Shortgrass Steppe“
June 11 Master’s Thesis Defense – Robyn Bortner, “Genomic Diversity and Relatedness in the Founding Black-footed Ferret Population“
June 12 Friday: 1st 4 Week Term Ends | Master’s Thesis Defense – Anna Hall, “Assessing the Effects of Simulated Grazing on Shortgrass Steppe Plant Communities Under Compound Drought-Deluge Events“
June 15 Monday: 2nd 4 Week Term and 8 Week Terms Begin
June 16 PhD Defense Seminar – Sam Ogden, “Leveraging Pseudomonas Syringae Type III Effectors to Understand the Genetic Requirements for Disease Resistance in Arabidopsis“
June 17 Wednesday: Census
June 19 Friday: University Holiday, Juneteenth – Offices Closed, No Classes
June 24 Wednesday: Census
July 3 Friday: University Holiday, Independence Day – Offices Closed, No Classes
July 10 Friday: 2nd 4 Week and 1st 8 Week Terms End
July 13 Monday: 3rd 4 Week Term Begins
August 7 Friday: 3rd 4 Week, 2nd 8 Week and 12 Week Terms End
August 11 Tuesday: Grades Due
August 14 Locker Cleanout Deadline

Fall 2026

CSU Bio Fall Courses

A colorful flyer showcasing Colorado State University's Fall Session 2026 Biology Courses. The left panel features QR codes for scheduling an appointment with an Academic Success Coordinator and accessing the Office of the Registrar for course information. The right panel lists a wide variety of biology courses, including foundational classes like Principles of Plant Biology and Cell Biology, specialized topics such as Molecular Genetics and Parasitology, and unique offerings like Biology & Behavior of Cats and Study Abroad: Practices in Marine Biology & Ecology. The background features a vibrant autumn scene of the CSU campus, with trees in full fall colors and students walking along the pathways. A note reminds students to verify course offerings on RamWeb.

Calendar

Date 

 Event
August 21 Ice Cream Social
August 24 Monday: Classes Begin
August 28 Friday: End Restricted Course Drop
August 30 Sunday: Add without Override Deadline
August 31 Monday: Add with Override Begins Today
September 4 Bio Social | Open House Lab Registration Deadline
September 7 Monday: Holiday | Labor Day – University Offices Closed – No Classes
September 8 Spring Creek Laundry
September 9 Wednesday: Census | Registration Closes
September 11 Open House RSVP Deadline
September 25 Open House
October 2 Bio Social
October 5 Spring Creek Laundry
October 26 Halloween Movie Night
November 2 Spring Creek Laundry
November 6 Bio Social
November 13 Friday: End Course Withdrawal Deadline | Repeat Repair Deadline
November 21 Saturday: Fall Recess Begins – No Classes Next Week
November 23-25 Monday-Wednesday: Governor’s Holiday – University Offices Closed
November 26-27 Thursday-Friday: Holiday | Thanksgiving – University Offices Closed
November 30 Monday: Classes Resume
December 4 Bio Social
December 7 Spring Creek Laundry
December 11 Friday: Last Day of Classes | Semester Withdrawal Deadline
December 14-17 Monday-Thursday: Final Exams
December 22 Tuesday: Grades Due
December 23 Wednesday: Grades Available on RAMweb
December 23-25 Wednesday-Friday: Holiday | Winter Break – University Offices Closed
December 31 Locker Cleanout Deadline
TBD Movie Nights
TBD Holiday Party

Spring 2027

Calendar

Date 

 Event
January 1 Friday: Holiday | New Year’s Day – University Offices Closed
January 18 Monday: Holiday | Martin Luther King Day – University Offices Closed
January 19 Tuesday: Classes Begin
January 22 Friday: End Restricted Drop
January 24 Sunday: End Regular Add
February 1 Spring Creek Laundry
February 3 Wednesday: Census | Registration Closes
February 5 Bio Social
February 11 Thursday: Founder’s Day
March 1 Spring Creek Laundry
March 5 Bio Social
March 13 Saturday: Spring Break Begins – No Classes Next Week
March 22 Monday: Classes Resume
April 2 Bio Social
April 5 Spring Creek Laundry
April 16 Friday: End Course Withdrawal Deadline | Repeat Repair Deadline
May 3 Spring Creek Laundry
May 7 Friday: Last Day of Classes | Semester Withdrawal Deadline | Bio Social | Awards & Jobs Recognition Ceremony
May 10-14 Monday-Friday | Final Exams
May 14-15 Friday-Saturday: Commencement
May 18 Tuesday: Grades Due
May 31 Locker Cleanout Deadline
TBD Grand Give Away
TBD Grad Info Session
TBD Movie Nights

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