Yes you can sponsor more than one with same transaction, as long as your STEEM amount divides cleanly by the number of people (e.g. 4 STEEM for 2 people, 6 STEEM for 2 people (or 3 people) but not 5 STEEM for 2 or 3 people. 5 STEEM for 5 people or for 1 person.

spreadsheet is updated as we work on it (and refreshes every five minutes- though you may need to refresh the page too). We typically process enrollments within 2-3 days.