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Important Dates: High School Year 2026-2027

ECP Important Dates 2026-2027.pdf(pdf)

FALL SEMESTER 2026

Session

Code

Approximate Start Date

Approximate End Date

Registration Add or Drop Date

Withdraw Deadline

Grading Open

Grading Closed

5:00 PM

ISU On-Campus

1

08/24/2026

12/18/2026

09/04/2026

10/30/2026

12/07/2026

12/22/2026

Fall Semester

HF

08/12/2026

01/15/2027

10/09/2026

10/23/2026

12/11/2026

01/19/2027

Year-Long

HY

08/12/2026

06/04/2027

10/09/2026

01/15/2027

05/14/2027

06/04/2027

1st Trimester

H1

08/12/2026

11/25/2026

10/092026

10/23/2026

11/06/2026

12/15/2026

1st and 2nd Trimester

H12

08/12/2026

03/05/2027

10/092026

10/23/2026

02/19/2027

03/09/2027

2nd Trimester

H2

11/16/2026

03/05/2026

01/08/2027

01/15/2027

02/19/2027

03/09/2027

2nd and 3rd Trimester

H23

11/16/2026

06/04/2027

01/08/2027

01/15/2027

05/14/2027

 06/04/2027

Block 1

B1

08/26/2026

10/07/2026

09/11/2026

09/18/2026

09/25/2026

10/13/2026

Block 2

B2

10/08/2026

11/18/2026

10/23/2026

10/30/2026

11/06/2026

12/01/2026

Block 3

B3

11/30/2026

01/21/2026

12/11/2026

12/18/2026

01/15/2027

01/26/2027

 

SPRING SEMESTER 2027

Session

Code

Approximate Start Date

Approximate End Date

Registration Add or Drop Date

Withdraw Deadline

Grading Open

Grading Closed

5:00 PM

ISU On-Campus

1

01/11/2027

05/07/2027

01/25/2027

03/19/2027

04/26/2027

05/11/2027

Spring Semester

HS

01/04/2027

06/04/2027

02/12/2027

03/12/2027

05/14/2027

06/04/2027

3rd Trimester

H3

03/01/2027

06/04/2027

04/02/2027

04/09/2027

05/14/2027

06/04/2027

Block 4

B4

01/22/2027

03/04/2027

02/12/2027

02/19/2027

02/26/2027

03/09/2027

Block 5

B5

03/08/2027

04/22/2027

04/02/2027

04/09/2027

04/16/2027

04/27/2027

Block 6

B6

04/23/2027

06/02/2027

05/07/2027

05/14/2027

05/14/2027

06/04/2027

 

SUMMER SEMESTER 2027

Session

Code

Approximate Start Date

Approximate End Date

Registration  Add or Drop Date

Withdraw Deadline

Grading Open

Grading Closed

5:00 PM

ISU On-Campus

Visit www.isu.edu/registrar/calendars for registration, drop, and withdraw deadlines for on-campus summer courses.

Summer

HU

06/14/2027

08/20/2027

06/25/2027

07/09/2027

07/23/2027

08/24/2027

 
Please Note: Students who withdraw from a course after the drop date are still financially obligated for payment of the course