Deadlines for 2025-2026
Semester High Schools
Fall 2026
|
ECP Fall, Year-long-Registration Deadline |
10/09/2026 |
|
Advanced Opportunities Request Deadline for fall/year-long courses |
10/14/2026 |
|
ECP Last day to drop without W and not be assessed a fee |
10/09/2026 |
|
ECP Last day to withdraw from semester long courses, fee assessed |
10/23 /2026 |
|
ECP Last day to withdraw from year-long courses, fee assessed |
01/15/2027 |
Spring 2026
|
ECP Spring Registration Deadline |
02/12/2027 |
|
ECP Last day to drop without W and not be assessed a fee |
02/12/2027 |
|
Advanced Opportunities Request Deadline for spring semester courses |
03/14/2027 |
|
ECP Last day to withdraw from semester long courses, fee assessed |
03/12/2027 |
Trimester High Schools
Trimester 1 (Part of 蘑菇视频 Fall Semester)
|
ECP Registration Deadline |
10/09/2026 |
|
Advanced Opportunities Request Deadline for courses beginning first trimester |
10/14/2026 |
|
ECP Last day to drop without W and not be assessed a fee |
10/09/2026 |
|
ECP Last day to withdraw from first trimester courses, fee assessed |
10/23/2026 |
|
ECP Last day to withdraw from first/second trimester courses, fee assessed |
10/23/2026 |
|
ECP Last day to withdraw from year-long courses, fee assessed |
01/15/2027 |
Trimester 2 (Part of 蘑菇视频 Fall Semester)
|
ECP Registration Deadline |
01/08/2027 |
|
ECP Last day to drop without W and not be assessed a fee |
01/08/2027 |
|
Advanced Opportunities Request Deadline for courses beginning second trimester |
02/19/2027 |
|
ECP Last day to withdraw from second trimester courses, fee assessed |
01/15/2027 |
|
ECP Last day to withdraw from second/third trimester courses, fee assessed |
01/15/2027 |
Trimester 3 (Part of 蘑菇视频 Spring Semester)
|
ECP Registration Deadline |
03/19/2027 |
|
ECP Last day to drop without W and not be assessed a fee |
03/19/2027 |
|
Advanced Opportunities Request Deadline for third trimester courses |
04/02/2027 |
|
ECP Last day to withdraw from third trimester courses, fee assessed |
04/09/2027 |
Block High Schools
Block 1 (Part of 蘑菇视频 Fall Semester)
| ECP Registration Deadline | 09/11/2026 |
| ECP Last day to drop without W and not be assessed a fee | 09/11/2026 |
| ECP Last day to withdraw from Block 1 courses, fee assessed | 09/18/2026 |
| Advanced Opportunities Request Deadline for Block 1 courses | 10/14/2026 |
Block 2 classes (Part of 蘑菇视频 Fall Semester)
| ECP Registration Deadline | 10/23/2026 |
| ECP Last day to drop without W and not be assessed a fee | 10/23/2026 |
| ECP Last day to withdraw from Block 2 courses, fee assessed | 10/30/2026 |
| Advanced Opportunities Request Deadline for Block 2 courses | 02/19/2027 |
Block 3 Classes (Part of 蘑菇视频 Fall Semester)
| ECP Registration Deadline | 12/11/2026 |
| ECP Last day to drop without W and not be assessed a fee | 12/11/2026 |
| ECP Last day to withdraw from Block 3 courses, fee assessed | 12/18/2026 |
| Advanced Opportunities Request Deadline for Block 3 courses | 02/19/2027 |
Block 4 Classes (Part of 蘑菇视频 Spring Semester)
| ECP Registration Deadline | 02/12/2027 |
| ECP Last day to drop without W and not be assessed a fee | 02/12/2027 |
| ECP Last day to withdraw from Block 4 courses, fee assessed | 02/19/2027 |
| Advanced Opportunities Request Deadline for Block 3 courses | 03/14/2027 |
Block 5 Classes (Part of 蘑菇视频 Spring Semester)
| ECP Registration Deadline | 03/20/2026 |
| ECP Last day to drop without W and not be assessed a fee | 03/20/2026 |
| ECP Last day to withdraw from Block 5 courses, fee assessed | 04/02/2027 |
| Advanced Opportunities Request Deadline for Block 5 courses | 04/02/2027 |
Block 6 Classes (Part of 蘑菇视频 Spring Semester)
| ECP Registration Deadline | 05/07/2027 |
| ECP Last day to drop without W and not be assessed a fee | 05/07/2027 |
| ECP Last day to withdraw from Block 6 courses, fee assessed | 05/14/2027 |
| Advanced Opportunities Request Deadline for third trimester courses | 06/18/2027 |
Summer ECP Courses
|
ECP Registration Deadline |
06/25/2027 |
|
ECP Last day to drop without W and not be assessed a fee |
06/25/2027 |
|
ECP Last day to withdraw from summer courses, no refund |
07/09/2027 |
|
Advanced Opportunities Request Deadline for third trimester courses |
06/18/2027 |
On-Campus Courses
|
ECP Registration Deadline - Fall Semester |
09/04/2026 |
|
ECP Registration Deadline - Spring Semester |
01/25/2027 |
|
ECP Registration Deadline - Summer Semester |
One week prior to start of course |
For additional on campus deadlines please visit: www.isu.edu/registrar/calendars