Hiring teachers suitably qualified in specialised subjects is difficult and risky if subject demand changes
Co-op or class sharing with surrounding schools is difficult and costly - tens of thousands of dollars are spent on transport
Current distance learning solutions are not real-time and heavily relies on school resources such as teachers and timetable alignment
Schools in a co-op relationships, face imbalances between the number of students sent and received, with some schools ending up covering a greater proportion of the costs of educating other schools’ students.
Often there are not enough students interested in niche, but important subjects, to justify the cost in running it at the school