senioritis

Noun

 * 1)  A tendency of seniors in high school or college to skip class or slack off due to a desire to move on, or because they have already been accepted by a college and their further academic performance is no longer as relevant.
 * 2) * 1984, W. Dean Memering, Frank O'Hare, The Writer's Work: Guide to Effective Composition - Page 121
 * I don't know, but "senioritis" is real, as I discovered in my senior year. Senioritis is a frame of mind particular to high-school seniors.
 * 1) * 2003, Barbara Cooke, Carleton Kendrick, Take Out Your Nose Ring, Honey, We're Going to Grandma's: Hanging In ... - Page 111
 * And right now she has a raging case of senioritis. Whether you call it senioritis or senior slump, there's no disguising the collective sigh of relief
 * 1) * 2007, Vault Editors, The College Buzz Book - Page 336
 * I worked hard my senior year, something that was particularly difficult due to the senioritis that many others were feeling. But it paid off!