| Presence | Absence |
Elementary school | 147 people 1549.0 ± 33.9 | 48 people 1551.1 ± 33.6 |
Junior high school | 137 people 1553.8 ± 34.1* | 58 people 1538.7 ± 31.1 |
Senior high school | 98 people 1557.4 ± 37.7* | 97 people 1541.3 ± 27.8 |