At the End of Fall of 2017, the College had 6,286 Students
- 58 Students Graduated in Fall of 2017
- 115 Students Graduated in Winter of 2018
- 1216 Students Graduated in Spring of 2018
- 34 Students Graduated in Summer of 2018
- 1,823 New Students Arrived in Fall of 2018
The College should have had 6,686 Students at the end of Fall 2018. Instead it had 6,595 Students. So 91 Students appear to be unaccounted for if my Math is correct, but then the College also lists that 143 Students were not enrolled at the end of Fall, so those 91 could easily be in the 143 number.
If we do that for one additional year (that’s all I have the patience for)
At the End of Fall of 2016, the College had 5,971 Students
- 57 Students Graduated in Fall of 2016
- 97 Students Graduated in Winter of 2017
- 1396 Students Graduated in Spring of 2017
- 26 Students Graduated in Summer of 2017
- 1,767 New Students Arrived in Fall of 2017
The College should have had 6,162 Students at the end of Fall 2017. Instead it had 6,286 Students!! In other words 124 Students seem to have magically appeared 
Maybe the aliens returned them. or maybe these 124 were returning from various Leaves of absence. After all the number of un-enrolled students went down from 259 in Spring of 2017 to 104 in the coming Fall of 2017.
This appears a big fat “nothing burger”. I don’t see any issues as @HydeSnark and others have already noted.
Besides, the Govt requires the Colleges to report Retention and Graduation rates and I don’t think colleges will deliberately lie or mislead when they do this to the Govt. Any insinuation to the contrary is not logically tenable.