A possible concise summary is:
The text is a transcript of a video that seems to be a parody of a musical about high school students' lives. The video is full of nonsensical dialogue, random songs, and bizarre references. The video switches between different scenes and characters without any clear plot or coherence. The video ends with a request to subscribe to the channel and a farewell from the narrator.
Here are the key facts extracted from the text:
1. The school has a swimming pool that was initially reported to be closed due to rain, but is actually open.
2. The physical education teacher is Aosekai Ikuno-sensei.
3. The students have to create their own newspaper.
4. There is a summer vacation homework assignment.
5. The students have a choir competition coming up.
6. The song they will sing is called "Tsubasa".
7. The conductor is a bit of a nuisance.
8. The students have to practice twice a week for the choir competition.
9. The kindergarten students came to teach the high school students how to sing.
10. The song they will sing is "Acorn" and then "Masu Production".
11. The students will have a timer to sing a song called "tulip".
12. The school has a fixed end-of-year budget.
13. The students have to submit a printout of their history homework.
14. The teacher, Ikuno-sensei, is strict about submitting homework on time.
15. The students have to study for a test, but the teacher didn't come to class.
16. The students have to review the Alphabet Guns from the Navy CD.
17. The teacher, Mr. Sensei, played the wrong song during class.
18. The students have to sing a song called "Jello" and then "Sorry Ai Ai".
19. The kindergarten students are taught how to sing by the high school students.