OSU has 12 meets total (through Conference Championships) with 6 Home & 6 Away. These are all the meets that go into Seeding for NCAA Regionals.

Among the 57 teams above ...
14 have 13 meets
27 have 12 neets
16 have 11 meets

Of the Top-36 ...
10 have 13 meets ... varying from 4 home + 9 away (only GWU) to 7 home + 6 away (only SUU)
(Of the other 8, 5 have 5 home meets and 3 have 6 home meets)

18 have 12 meets ... varying from 3 home + 9 away (only CMU) to 6 home + 6 away (4 teams including OSU).
(Of the other 13, 11 have 5 home meets and 2 have only 4 home meets).

8 have 11 meets ... Minnesota has 4 home + 7 away ... the other 7 have 5 home + 6 away.