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Open Classes for Spring 2026
This page lists Mt. SAC classes with at least two open seats and is updated approximately every five minutes. Click the refresh button on your browser to see the latest list of open classes.
If you find a class you would like to take, click here to login to the portal and click the #4 Register (Add or Drop) Classes link on the Student tab to register for the class.
Note: If no results are displayed, click your browser's refresh button as results may be in the process of updating. If classes are not listed after the refresh, open classes may not be available.
| Subject | Course Number | CRN | Start Time | End Time | Start Date | End Date | CRS DAYS | ROOM | Division | Instructor | Seats Available | |
| GEOG | 1 | 43294 | 01:15 PM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | TTh | 26D-3270 | HSS | M Bayle | mbayle@mtsac.edu | 20 |
| GEOG | 1 | 43299 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | HSS | Elizabeth Lobb | elobb@mtsac.edu | 18 | |||
| GEOG | 1 | 43304 | 23-FEB-2026 | 19-APR-2026 | ONLINE-ASYNC | HSS | Elizabeth Lobb | elobb@mtsac.edu | 21 | |||
| GEOG | 1 | 43917 | 20-APR-2026 | 14-JUN-2026 | ONLINE-ASYNC | HSS | Elizabeth Lobb | elobb@mtsac.edu | 28 | |||
| GEOG | 15 | 43322 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | HSS | Sam Weber | sam.weber@mtsac.edu | 4 | |||
| GEOG | 2 | 43312 | 11:30 AM | 12:55 PM | 23-FEB-2026 | 14-JUN-2026 | TTh | 26D-3270 | HSS | Elizabeth Lobb | elobb@mtsac.edu | 13 |
| GEOG | 8 | 43313 | 09:45 AM | 11:10 AM | 23-FEB-2026 | 14-JUN-2026 | TTh | 26D-3270 | HSS | Elizabeth Lobb | elobb@mtsac.edu | 17 |
| GEOL | 1 | 41865 | 09:45 AM | 11:10 AM | 23-FEB-2026 | 14-JUN-2026 | MW | 60-1512 | NS | David Mrofka | dmrofka@mtsac.edu | 10 |
| GEOL | 1 | 41868 | 01:15 PM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | MW | 60-1512 | NS | Rebecca Walker | rwalker@mtsac.edu | 10 |
| GEOL | 1 | 41874 | 06:30 PM | 07:55 PM | 23-FEB-2026 | 14-JUN-2026 | TTh | 60-1512 | NS | Robert Leeper | robert.leeper@mtsac.edu | 13 |
| GEOL | 10 | 41880 | 11:30 AM | 12:55 PM | 23-FEB-2026 | 14-JUN-2026 | TTh | 11-2324 | NS | Clinton Schmidt | cschmidt3@mtsac.edu | 26 |
| GEOL | 10 | 41881 | 06:30 PM | 09:40 PM | 23-FEB-2026 | 14-JUN-2026 | W | 11-2324 | NS | Clinton Schmidt | cschmidt3@mtsac.edu | 32 |
| GEOL | 30 | 41886 | 01:15 PM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | MW | 11-2324 | NS | David Mrofka | dmrofka@mtsac.edu | 20 |
| GEOL | 30 | 41887 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | NS | David Mrofka | dmrofka@mtsac.edu | 13 | |||
| GEOL | 33 | 41894 | 08:00 AM | 11:10 AM | 23-FEB-2026 | 14-JUN-2026 | W | 11-2209 | NS | Robert Leeper | robert.leeper@mtsac.edu | 9 |
| GEOL | 8 | 41917 | 09:00 AM | 12:10 PM | 23-FEB-2026 | 14-JUN-2026 | F | 60-1515 | NS | Daniel Joseph Ohare | dohare@mtsac.edu | 11 |
| GEOL | 8 | 41919 | 09:00 AM | 12:10 PM | 23-FEB-2026 | 19-APR-2026 | S | ONLINE-SYNCH | NS | Barbara Grubb | bgrubb@mtsac.edu | 15 |
| GEOL | 8 | 41920 | 09:45 AM | 11:10 AM | 23-FEB-2026 | 14-JUN-2026 | TTh | 60-1515 | NS | Hayden Malloch | hmalloch@mtsac.edu | 25 |
| GEOL | 8 | 41928 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | NS | David Mrofka | dmrofka@mtsac.edu | 2 | |||
| GEOL | 8 | 41929 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | NS | Donald Patthoff | dpatthoff@mtsac.edu | 8 | |||
| GEOL | 8L | 41930 | 11:30 AM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | T | 60-1515 | NS | Hayden Malloch | hmalloch@mtsac.edu | 13 |
| GEOL | 8L | 41932 | 06:30 PM | 09:40 PM | 23-FEB-2026 | 14-JUN-2026 | M | 60-1515 | NS | David Mrofka | dmrofka@mtsac.edu | 18 |
| GEOL | 8L | 41933 | 06:30 PM | 09:40 PM | 23-FEB-2026 | 14-JUN-2026 | Th | 60-1515 | NS | Dylan Terry | dterry10@mtsac.edu | 14 |
| GEOL | 9 | 41934 | 11:30 AM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | T | 61-2419 | NS | Robert Leeper | robert.leeper@mtsac.edu | 12 |
| GEOL | 9 | 41935 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | NS | Shelley Regalado | sregalado4@mtsac.edu | 4 | |||
| GEOL | 9L | 41936 | 11:30 AM | 02:40 PM | 23-FEB-2026 | 14-JUN-2026 | Th | 61-2419 | NS | Robert Leeper | robert.leeper@mtsac.edu | 13 |
| GERM | 1 | 43055 | 23-FEB-2026 | 14-JUN-2026 | ONLINE-ASYNC | HSS | Douglas Smith | dsmith130@mtsac.edu | 9 |
| Click here to login into the portal to register for classes. Click here to search for classes in Spring 2026 or another term |
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