| March |
| Spring Break (closed) |
18-22 |
| April |
| Summer/Fall pre-enrollment
(for degree-seeking students with at least 90 earned credit hours only) |
1 |
| Summer/Fall pre-enrollment
(for degree-seeking
students with at least 60 earned credit hours only) |
2 |
| Summer/Fall pre-enrollment
(for degree-seeking students with at least 30 earned credit hours only) |
3 |
| Summer/Fall pre-enrollment (open to all students) |
4 |
| May |
| End of instructional period for Spring 2013 |
3 |
| Finals week Spring 2013 (see schedule) |
6-10 |
| May Intersession |
13-24 |
| Last day to add/drop summer intersession classes |
13 |
| Last day to withdraw from summer intersession classes with a "W" |
22 |
| Memorial Day (closed) |
27 |
| Financial aid charges open at bookstore |
28 |
| June |
| Summer classes begin |
3 |
| Extended hours for registration (until 6 p.m. on Claremore Campus) |
3 |
| Last day to add Summer 2013 classes (8-week classes) |
5 |
| Last day to change to an audit or audit to credit (8-week classes) |
5 |
| Last day to receive refund (8-week classes) |
7 |
| Last day to drop classes (8-week classes) |
7 |
| Last day to return textbooks (8-week classes) |
10 |
| Financial aid charges close at bookstore |
14 |
| July |
| Independence Day (closed) |
4 |
| Last day to withdraw with a "W" from 8-week classes |
12 |
| End of Summer semester (including final exams) |
26 |
| August |
| Fall semester begins |
12 |
| Last day to add Fall 2012 classes (16-week classes) |
16 |
| Last day to drop Fall 2012 classes (16-week classes) |
23 |
| April |
| Summer/Fall pre-enrollment
(for degree-seeking students with at least 90 earned credit hours only) |
1 |
| Summer/Fall pre-enrollment
(for degree-seeking
students with at least 60 earned credit hours only) |
2 |
| Summer/Fall pre-enrollment
(for degree-seeking students with at least 30 earned credit hours only) |
3 |
| Summer/Fall pre-enrollment (open to all students) |
4 |
| May |
| Finals week Spring 2013 (see schedule) |
6-10 |
| May Intersession |
13-24 |
| Last day to add/drop summer intersession classes and receive a refund |
13 |
| Last day to withdraw from summer intersession with a "W" |
22 |
| Memorial Day (closed) |
27 |
| June |
| Summer classes begin |
3 |
| July |
| Independence Day (closed) |
4 |
| August |
| Financial aid charges open at bookstore |
5 |
| Extended hours for registration (until 6 pm at Claremore) |
6-8 |
| Fall semester begins |
12 |
| Extended hours for registration (until 6 pm at Claremore) |
13-15 |
| Last day to add (1st 8-week classes) |
14 |
| Last day to drop (1st 8-week classes) |
16 |
| Last day to change to an audit or audit to credit (16-week classes) |
16 |
| Last day to add (16-week classes) |
16 |
| Last day to drop (16-week classes) |
23 |
| Last day for refund at Bookstore (16-week classes) |
23 |
| Financial aid charges close at bookstore |
30 |
| September |
| Labor Day (closed) |
2 |
| Last day to withdraw with a "W" (1st 8-week classes) |
23 |
| October |
| First day of class (2nd 8-week classes) |
7 |
| Last day to add (2nd 8-week classes) |
9 |
| Last day to drop (2nd 8-week classes) |
11 |
| Fall Break (closed) |
17-18 |
| Spring pre-enrollment begins |
28 |
| November |
| Last day to withdraw with a "W" (16-week classes) |
6 |
| Last day to withdraw with a "W" (2nd 8-week classes) |
26 |
| Thanksgiving Break (closed) |
27-29 |
| December |
| End of instructional period |
3 |
| Finals week (see schedule) |
4-11 |
| Book Buyback Week |
6-11 |
