Haneoka Girls' High School

is the school of Roselia member Ako, RAISE A SUILEN member Rokka, Kasumi's younger sister Asuka, MyGO!!!!! members Tomori and Anon, the members of Afterglow and many members of other bands.

It has both a high school and a middle school branch.

Uniforms
The school's winter uniform is consists of a white button-up shirt, adorned with a blazer, skirt and tie, with black socks and brown loafers.

The color of the skirt and tie change depending on what year that student is in. (Contrary to Hanasakigawa and Tsukinomori where the uniform stays the same regardless of school year.) First year students have a green skirt and tie, second years have blue, third years have brown, and third year middle school students have magenta.

Middle school students are adorned with a black blazer unlike the high schoolers who're adorned in a gray blazer.

Unknown class

 * Takamatsu Tomori
 * Chihaya Anon

Class 2-A

 * Udagawa Ako
 * Asahi Rokka
 * Toyama Asuka

Class 3-A

 * Mitake Ran
 * Aoba Moca
 * Uehara Himari
 * Udagawa Tomoe
 * Hazawa Tsugumi

Alumnae

 * Imai Lisa
 * Minato Yukina
 * Yamato Maya
 * Hikawa Hina
 * Seta Kaoru