| Presence | Absence |
Continuity throughout the elementary, junior high, and senior high school years | 71 people 1555.2 ± 32.3* | 65 people 1539.6 ± 31.6 |
Continuity throughout the elementary and junior high school years | 42 people 1547.2 ± 34.7 | 65 people 1539.6 ± 31.2 |
Continuity throughout the junior high and senior high school years | 14 people 1575.4 ± 36.7** | 181 people 1539.6 ± 29.8 |