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Important Dates: High School Year 2023-2024

 ECP Important Dates 2024-2025 (pdf)

FALL SEMESTER 2024

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

 

08/19/2024

12/13/2024

08/30/2024

10/25/2024

12/02/2024

12/17/2024

Fall Semester

HF

08/14/2024

01/17/2025

10/11/2024

10/25/2024

12/06/2024

01/21/2025

Year-Long

HY

08/14/2024

06/05/2025

10/11/2024

01/17/2025

05/16/2025

06/10/2025

1st Trimester

H1

08/14/2024

11/26/2024

10/11/2024

10/25/2024

11/08/2024

12/13/2024

1st and 2nd Trimester

H12

08/14/2024

03/07/2025

10/11/2024

10/25/2024

02/21/2025

03/11/2025

2nd Trimester

H2

11/18/2024

03/07/2025

01/10/2025

01/17/2025

02/21/2025

03/11/2025

2nd and 3rd Trimester

H23

11/18/2024

06/05/2025

01/10/2025

01/17/2025

05/16/2025

 06/10/2025

Block 1

B1

8/14/2024

10/04/2024

9/11/2024

9/20/2024

9/27/2024

10/08/2024

Block 2

B2

10/07/2024

11/15/2024

10/25/2024

11/01/2024

11/08/2024

11/19/2024

Block 3

B3

11/18/2024

01/17/2025

12/13/2024

12/20/2024

01/03/2025

01/21/2025

 

SPRING SEMESTER 2025

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

 

01/13/2025

05/09/2025

01/27/2025

03/21/2025

04/28/2025

05/13/2025

Spring Semester

HS

01/20/2025

06/05/2025

02/14/2025

03/14/2025

05/16/2025

06/10/2025

3rd Trimester

H3

03/03/2025

06/05/2025

03/21/2025

04/11/2025

05/16/2025

06/10/2025

Block 4

B4

01/20/2025

02/28/2025

02/07/2025

02/14/2025

02/14/2025

03/04/2025

Block 5

B5

03/03/2025

04/18/2025

03/21/2025

03/31/2025

04/04/2025

04/22/2025

Block 6

B6

04/21/2025

06/05/2025

05/09/2025

05/16/2025

05/16/2025

06/10/2025

 

SUMMER SEMESTER 2025

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

06/02/2025

08/22/2025

06/27/2025

07/11/2025

07/25/2025

08/26/2025

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