By Rick Porter Television Business Editor School will remain in session at Abbott Elementary. ABC has renewed the Emmy-winning comedy for a sixth season in 2026-27, which should take the show past the 100-episode mark. As it has done every season for the show thus far, the network picked up Abbott Elementary well ahead of the end of its season. The show is the first scripted renewal for ABC so far this season. Abbott Elementary continues to perform solidly for ABC and Disney’s streaming services Hulu and Disney+. The show is the top comedy on TV this season among adults 18-49, based on seven days of multi-platform viewing; in January, the show’s four episodes scored a 1.83 rating (equivalent to about 2.5 million people in that age range) in the key ad sales demographic. That’s almost times what the series drew for its initial on-air showing for the month. Abbott averaged 6.16 million total viewers per episode in January after a week of cross-platform viewing.…