There's only 5407 undergraduates at JHU[1] (for all years). If 10% of those qualify for aid that's 541 in total. Nowhere near 36k people. If we assume a degree takes 4 years, then 137 per year of intake, then those 36k people would be spread over 263 years.

[1] https://apply.jhu.edu/discover-jhu/get-the-facts/