Update of old post:
viewtopic.php?f=16&t=5711&start=700#p164632Non-KSS H!P members by school year, then age. For the April 2015 - March 2016 school year.
3rd year high school: Takagi Sayuki, Nakanishi Kana, Ikuta Erina, Yamaki Risa, Takeuchi Akari, Inaba Manaka
2nd year high school: Katsuta Rina, Sayashi Riho, Murota Mizuki, Suzuki Kanon, Tamura Meimi, Ogata Risa, Yamagishi Riko, Miyamoto Karin, Uemura Akari, Ogata Haruna, Fujii Rio, Oda Sakura, Aikawa Maho
1st year high school: Sato Masaki, Hirose Ayaka, Nonaka Miki, Niinuma Kisora, Kudo Haruka, Tanimoto Ami, Nomura Minami, Morito Chisaki, Ogawa Rena, Kishimoto Yumemo
3rd year middle school: Hamaura Ayano, Shimamura Uta, Taguchi Natsumi, Asakura Kiki, Makino Maria, Wada Sakurako
2nd year middle school: Sasaki Rikako, Inoue Rei, Ozeki Mai, Haga Akane
Everyone else has is a high school graduate.