The results of the study were as follows : factors can be classified dropout students of
Vocational Lower-Certificate were 3 factors : learning support (X5.2
), studying management (X
1
),
and deviant behavior (X
2.1
). The obtained discriminant equations could discriminate at 64.90
percent with statistic significance level .01, could discriminate dropout students at 78.0 percent, and
could discriminate studying students at 61.60 percent. Discriminant equations could be constructed
in a raw-score form and a standard-score form as below.