In Simple Words
When a student fails three subjects out of eight, strict academic rules force them to retake all eight subjects, including the five they already passed. This resembles forcing a driver who failed only the parallel parking portion of a driving test to retake the written exam, vision test, and entire driving course from scratch, driving up frustration and causing them to give up on obtaining a license.
Research question
Rigid grade promotion policies that mandate repeating entire semesters or academic years for failing a minority of courses drastically increase student frustration, opportunity costs, and subsequent dropouts.
Participants
Nationwide upper secondary student population in Mexico (4.9 million students across federal, state, and autonomous sub-systems).
Study Design
Observational national administrative analysis using National Institute for the Evaluation of Education (INEE) data and the Survey of Upper Secondary Dropouts.
Results
Strict promotion criteria (failing 4 or more of 8 subjects requiring complete semester repetition) yielded a 15.6% grade repetition rate, a 15.5% annual dropout rate, and an overall on-time graduation rate of only 60.0%.
Takeaway
Replace rigid semester-repetition requirements with targeted course-level leveling and credit-recovery mechanisms to prevent early subject failures from triggering full school disengagement.