From scholar + -ism.

scholarism (uncountable)

1. (obsolete, rare) Scholarship.
   • 1590, Robert Greene (dramatist), Greene's Mourning Garment (quoted in Excerpta Tudoriana: or, Extracts from Elizabethan Literature (1813) by Samuel Egerton Brydges, p. 128 (Google preview) ↗):

     I have (like blind Bayard) plodded forward, and set forth many Pamphlets full of much Love, and little Scholarism.

   • 1604, Christopher Marlowe, The Tragical History of Dr. Faustus:

     The fruitful plot of scholarism grac'd,
     That shortly he was grac'd with doctor's name,
     Excelling all whose sweet delight disputes
     In heavenly matters of theology