| 100% | ANAT | 4 | Class with many makeup exams?: Abbr. |
| 61% | ALG | 3 | Class with many unknowns: Abbr. |
| 61% | ALG | 3 | Class with many functions: Abbr. |
| 47% | YOGA | 4 | Exercise class with many poses |
| 46% | APSTATS | 7 | HS class with many average lessons? |
| 46% | ANATOMY | 7 | Class with makeup tutorials? |
| 46% | ANAT | 4 | Class with dissections: Abbr. |
| 45% | ENG | 3 | Class with a Classics unit: Abbr. |
| 43% | ANAT | 4 | Class with a skeleton in the closet?: Abbr. |
| 43% | JAN | 3 | Most calendars begin with it: Abbr. |
| 42% | IRS | 3 | Agency with many forms and schedules: Abbr. |
| 42% | ESL | 3 | Class for many immigrants: Abbr. |
| 42% | RTES | 4 | Many begin with I: Abbr. |
| 42% | OED | 3 | Lexicon with many citations: Abbr. |
| 42% | GOVT | 4 | Something with many seats: Abbr. |
| 42% | ALG | 3 | Course with many unknowns: Abbr. |
| 42% | EKG | 3 | Record with many beats: Abbr. |
| 42% | IRS | 3 | Agency with many auditors: Abbr. |
| 42% | AMA | 3 | Group with many doctors: Abbr. |
| 42% | MCAT | 4 | Exam with many biology questions |
| 42% | SCI | 3 | Class with the periodic table on the wall, often: Abbr. |
| 41% | OPEC | 4 | Oil cartel with many Arab nation members: Abbr. |
| 41% | AFI | 3 | Org. with many "best of" movie lists: Abbr. |
| 41% | CHEM | 4 | Science class with Bunsen burners in the lab: Abbr. |
| 40% | LSATS | 5 | Exams with a logic-games section: abbr. |
| 40% | ESL | 3 | Class that may deal with idioms: Abbr. |
| 40% | SSS | 3 | Many men are registered with it: Abbr. |
| 40% | LSATS | 5 | Exams with analytical reasoning parts: Abbr. |
| 40% | LSAT | 4 | Exam with a logical reasoning section: Abbr. |
| 40% | ESL | 3 | Class for many newcomers to the US: Abbr. |