Table 10.

Criteria used to score each student trajectory consistency

Source of inconsistency	Importance	Criteria
1. From data provided by enrollment and/or final academic status datasets	Mild (Level 1)	• Some implausible birth date is reported • More than two birth dates reported • More than 2 enrollments in a year • More than 2 final academic statuses in a year
	Moderate (Level 2)	• There are skipped grades in regular education • Birth dates in enrollment and performance datasets are different • Sex in enrollment and final academic status are different • Overages are greater than seven in some years
	Severe (Level 3)	• An enrollment was imputed • A final status was imputed
2. From data available on MINEDUC's open data platform	Moderate (Level 2)	• Student completed secondary education when they are still enrolled on a non-final grade
	Severe (Level 3)	• School without a name
3. From data reported by other agencies	Severe (Level 3)	• Grade in SIMCE test(s) is(are) different to the grade reported either in enrollment or final status dataset in the same year • Grade in PSDI is different to the grade reported either in enrollment or final status dataset in the same year • Income is reported in a different grade from either enrollment or final status datasets in the same year