I never imported the students into FET before. I did the generation of blocks in StElTo and then built blocks/lines based on that in FET. I would create one Activity:
Subject: Gr9L1: MATH/PHYS/CHEM/ENG
Teachers: TeacherMath, TeacherPhys, TeacherChem, TeacherEng
Students: Grade 9 (Year)
With building it like this, each individual year worked, but when I put it together with all the constraints, it no longer worked as grade 9 and 10 share many teachers and there was just not availability at the same time for all the teachers. THat's when I did the import from StElTo with student names for the first time and could get a working timetable in FET.
Subject: Gr9L1: MATH/PHYS/CHEM/ENG
Teachers: TeacherMath, TeacherPhys, TeacherChem, TeacherEng
Students: Grade 9 (Year)
With building it like this, each individual year worked, but when I put it together with all the constraints, it no longer worked as grade 9 and 10 share many teachers and there was just not availability at the same time for all the teachers. THat's when I did the import from StElTo with student names for the first time and could get a working timetable in FET.