Normally iPads debuted in March. Today, Apple CEO Tim Cook offered some insight as to why during the Q4 earnings call. Apparently K-12 makes their purchases for the next school year around June. Higher ed can and does buy later.
Cook stated that he believed the newly refreshed iPad would be selling well in the upcoming holiday season. Rumors about the autumn event did affect sales. iPad sales slowed down in August and September in part because of rumors about the upcoming release. It's unclear whether the iPad has made a permanent shift on sales dates.
Cook and Peter Oppenheimer were forthcoming with quite a lot of iPad-design philosoph