能四年念完大學的不很多。這個網頁告訴你各個學校四年的畢業率。你可以看到，很多學校實在不應該掛大學的牌子，學生也不該來上四年製大學，不如去念個職業學校去工作。美國教育係統浪費太多。
這個圖，連六年都念不完的大有人在。有很多人是不知道自己該幹什麽和能幹什麽，結果亂念，念到半截又改。女兒有朋友，她都畢業工作三年了，那女孩還沒念完，中間改行了。
當然還有因為經濟問題，家庭問題，等等。出身家庭環境差的孩子不容易。
IVY LEAGURE學校生源質量高，學校也有足夠的經濟資助，基本按時畢業。
A Comprehensive Breakdown of Ivy League Graduation Rates, 2019-2021
| 4-Year Graduation Rate (%) | 6-Year Graduation Rate (%) | |||||
| Class of 2019 | Class of 2020 | Class of 2021 | Class of 2019 | Class of 2020 | Class of 2021 | |
| Brown University | 86.5% | 85.4% | 80.2% | 95.8% | 95% | 95.7% |
| Columbia University | 87.1% | 89% | Not Yet Published | 95% | 95% | Not Yet Published |
| Cornell University | 88.2% | 89.3% | 91.6% | 94.8% | 95.3% | 100% |
| Dartmouth College | 85.8% | 84.5% | 84.2% | 94% | 95% | 96% |
| Harvard University | 86.3% | 86.8% | 65.9% | 96.7% | 97.8% | 98% |
| Princeton University | 89.5% | 88.1% | Not Yet Published | 97.6% | 97.5% | Not Yet Published |
| University of Pennsylvania | 89.2% | 87.7% | Not Yet Published | 96.2% | 96.1% | Not Yet Published |
| Yale University | 87.7% | 88.1% | 66.1% | 96.9% | 97.8% | 96.3% |
