Complex sentence: This is because as the students progress through secondary school and junior college, the workload of their other subjects causes many students to drop their admission at the MOELC, but the years taken goes on record and can be used as partial qualifications later on in life.
Split into simpler sentences: This is because as the students progress through secondary school and junior college, the workload of their other subjects causes many students to drop their admission at the MOELC. The years that have been taken go on record and these can be used as partial qualifications later on in life.