I saw this analysis on Reddit CFB and I thought you all might enjoy it. It looks at all the drafts in the modern era and then assigns points based on round and position in order to rank the best schools for producing NFL draft talent. You can find the analysis here:

https://www.reddit.com/r/CFB/comments/8mv2ko/25_years_of_modern_nfl_draf...

All credit to /u/KnoMar11