Predictor Variables

An individual student's probability of enrollment is calculated by combining data in his or her ACT record with weights. The weights are calculated from variables in students' ACT records and from enrollment data that institutions submit to the ACT Class Profile Service.

The tables below list the variables that are most predictive in each model.

Academic Variables
Variable Campus-Specific Institution Type Index Mobility Index Selectivity Index
ACT Composite
High school GPA
Years of foreign language   
Program of study in HS   
Years of math coursework   
Highest degree expected   

Demographic Variables
Variable Campus-Specific Institution Type Index Mobility Index Selectivity Index
Home community size   
High school enrollment   

Enrollment Preference Variables
Variable Campus-Specific Institution Type Index Mobility Index Selectivity Index
Campus mix (score sending pattern)n/a
Level of college choice 1–6n/an/an/a
Preferred college size
Preferred college type
Intended major (7 groups)
Preferred distance home to campus
Preferred tuition
No tuition preference
No college in mind
Scores sent to comm. college

Student Characteristic Variables
Variable Campus-Specific Institution Type Index Mobility Index Selectivity Index
Miles home to campusn/an/an/a
Planned work hours in college
Family income
Involvement science
Involvement athletics
Involvement music
No HS code listed