A.N. — Educational Decree No. 24 was passed in canon on this date. Let's take a look at one of the students affected by banning all Hogwarts (non-academic) group activities. Yes, it's a quidditch player; there's a scarcity of details on other extra-curriculars at Hogwarts.
280. Summerby
Summerby, unlike most other house team members, didn't raise much of a fuss when Umbridge essentially canceled the quidditch season with her newest "educational" decree.
Hufflepuff's new seeker had been finding it extremely challenging to fill the shoes Cedric Diggory left behind. Summerby would never match up to Diggory's skill and he knew it. With the teams disbanded, Summerby was quietly relieved that proof of his shortcomings would never be laid bare on the pitch.
Umbridge did eventually allow quidditch teams to re-form. People were so thrilled to be watching matches again that Summerby's seeker debut passed largely unremarked upon.