There are two different shots at the graduation:
1 - the boys (in black) and girls (in pink) are mixed in the audience. no parents section. This was mainly used for the upfront shot from the speaker's perspective.
2 - the boys (in black) are seated at the front as one group, followed by the girls (in pink), followed by the friends and family (in mixed colors). This was a sideways pan shot.
Yomi's character is an abominable singer, however, her seiyuu, Tanaka Rie, has voiced many characters who can and do sing, such as Lacus Clyne from Gundam SEED.
This is an actual premium beef brand in Japan that became popular in the early 20th century. The breeds originated from the Hyogo Prefecture, and is now raised in the Matsusake area in the Mie Prefecture. The record for the prize-winning beef on a cow 50 million yen.
In the english sub, Yukari states she is (Hidetoshi) Nakata. Nakata is considered Japan's most succesful soccer player.
In the english dub, Yukari states she is Mia Hamm, a famous American woman professional soccer player.
In the break scene, Kagura states she is 156 cm tall. Sakaki states she is 174 cm tall.
While the girls are talking about Mr. Kimura before swimming class, Osaka isn't wearing any shoes.
The cat on Chiyo's towel keeps changing sizes!