| Frequency | Percentage |
Education content | 65 | 14.6 |
Education form | 80 | 17.9 |
Education facilities | 100 | 22.5 |
Education cost | 75 | 16.9 |
Teachers | 65 | 14.6 |
Others | 60 | 13.5 |
In total | 445 | 100.0 |