* BigLippedAlligatorMoment: Asou and Suga spotting Eri in the school war two-parter. [[spoiler:Actually it was Nakamura, who [[IWasJustPassingThrough simply happened around the school]], dressed as his mistress for no apparent reason]].
* EarWorm:
** You'll be going "Guru Guru Mawaru" in no time.
** Not to mention the super-cute first ending theme.
** Then there's the second end theme of Ni Gakki, Futari Ha Wasurechau. That guitar riff will stick with you forever.
* EnsembleDarkhorse: Eri & Yakumo.
* FanonDiscontinuity: Some fans are unsure about the canonicity of the end of both the original manga and ''School Rumble Z'', and not just for shipping reasons either.
* FanPreferredCouple: According to [[http://unixmanga.com/onlinereading/School_Rumble/School_Rumble_b/School_Rumble_Popularity_Contests_nas.html this poll]], the most popular couple is Harima and Eri.
** Ichijou and Imadori is also quite well-liked.
* FoeYay: The premise behind an In-Universe fanfic involving Harima and Hanai.
* IdiosyncraticShipNaming: Tons here. Flag (Eri/Harima), Riceball (Yakumo/Harima), Kid's meal (Eri/Yakumo/Harima), Oudou (Tenma/Harima), True Oudou (Tenma/Karasuma), Flue (Mikoto/Hanai), and Basketball (Mikoto/Asou).
* LesYay: Eri and Yakumo make up after the play in the second season with a fast-paced dance that ends up with Yakumo coming out on top in a surprise reversal. [[http://img233.imageshack.us/img233/3971/snapdanceack5.jpg The crowd goes wild.]]
** Not to mention Itoko being very close with fellow teacher Youko Sasakura.
*** Yakumo is a frequent victim courtesy of Akira and Sarah.
** Akira in general hints heavily towards other girls.
** Tenma makes Mikoto play a kissing game involving Pocky with Akira. The Pocky breaks last second, and even the other girls in class lament that the kiss didn't happen.
* {{OT3}}: The Kid's Meal faction (for those just passing by, that's Yakumo/Eri/Harima). By the end of the manga, [[spoiler:Yakumo is living with Harima, and Harima is engaged to Eri. [[GainaxEnding Maybe]]]].
* SuperlativeDubbing: The English dub is masterfully crafted; it contains countless {{Woolseyism}}s and every performance is perfect.