Complex sentence: Around this time, the financial situation of Madrasa'Ainul' Ilm started to deteriorate, so much so that, in 1321 AH, the teachers' salaries were reduced.
Split into simpler sentences: Around this time, the financial situation of Madrasa'Ainul' Ilm started to deteriorate. Thus, in 1321 AH, the teachers' salaries were reduced.