We're getting closer to the full release of the Ivy schedules, but for now, here are the announced/expected games and dates, where available. Cornell, Harvard and Yale's schedules are officially released. Each of the other schools has at least half of its non-conference games on this list (Brown and Columbia at around 50%, Dartmouth and Princeton at about 65% and Penn at about 80%).
Games in yellow are either part of a tournament - thus the pairings are mere placeholders depending on game outcomes - or in the case of Penn and Princeton, guesses at game dates based on traditional scheduling.
Excluding the non-Division I games (all of which are denoted DIII, regardless of whether the opponent is DII, NAIA, etc.) and based on last year's Pomeroy finish, Princeton currently has the toughest expected non-conference strength of schedule at .674. Penn is a close second at .644. The Quakers are easily in front when considering DIII contests into the SOS, and one should expect Penn to end up with the toughest SOS even when excluding the DIII games after the remaining dates on each of the Quakers and Tigers schedules are revealed.
Following Penn and Princeton, Cornell has the third toughest schedule with Dartmouth, Harvard and Brown right behind. Expect the Bears and Big Green to see their SOS slip as more games are released, though. Finally, Yale and Columbia bring up the rear as the only two teams with SOS ratings below .500.
(UPDATE: Brown's full schedule has been released and sure enough, the Bears have slipped to the weakest league schedule. Expect Columbia to challenge for that title when its full slate is released.)
(UPDATE 9/9: Columbia released its full schedule and sure enough, it now has the weakest slate by a landslide. Excluding non-D-I games, the league's SOS sits right at .500 now. We have 90 percent of the games on the schedule with just Dartmouth, Penn and Princeton yet to release. The Tigers still lead in the SOS category, but assuming they actually want to play at home during the non-conference slate, their SOS will probably take a tumble as the remaining games should include enticing some cupcakes to play at Jadwin.)
(UPDATE 9/15: Down to just 10 or fewer games to go - depending on whether teams max out their schedules. Dartmouth and Princeton have four left and Penn has two. Those are also the only three with schedules remaining to be released. The Tigers are still hanging onto the top spot in the SOS battle with Penn close behind. Cornell and Harvard remain in third and fourth, then a huge gap before getting to Yale, Dartmouth and Brown and another huge gap to get to last place Columbia.)