| school education in usa | 1.75 | 0.7 | 3499 | 23 | 13 |
| school education is called | 1.75 | 0.7 | 4964 | 26 | 44 |
| school education is like a marathon race | 0.6 | 0.9 | 9503 | 40 | 76 |
| school education is very important and useful | 1.78 | 0.8 | 8295 | 45 | 44 |
| continuing school primary education in usa | 1.27 | 0.2 | 7604 | 42 | 27 |
| free online high school education in usa | 0.53 | 0.4 | 2478 | 40 | 96 |
| secretary of school education in usa | 1.72 | 0.2 | 3608 | 36 | 85 |
| high school education system in usa | 1.39 | 0.1 | 4861 | 35 | 2 |
| school education system in usa | 1.34 | 0.4 | 1509 | 30 | 1 |
| online high school education programs in usa | 1.06 | 0.9 | 4756 | 44 | 76 |
| is high school education free in usa | 0.54 | 0.4 | 4677 | 36 | 89 |
| school level education system in usa | 0.23 | 0.7 | 9317 | 36 | 4 |
