Companies catalogue
- Kamogawa Junior High School, Kamogawa-shi
- Kamogawa Shiritsu Awahigashi Junior High School, Kamogawa-shi
- Kanagawa Prefectural Yokohama Senior High School of International Studies, Yokohama-shi
- Kanagawa Prefectural Yokosuka High School, Yokosuka-shi
- Katori Shiritsu Sawara Daigo Junior High School, Katori-shi
- Katsuragi Junior High School, Chiba-shi
- Katsurashiritsuokitsu Junior High School, Katsuura-shi
- Katsuura Shiritsu Katsuura Junior High School, Katsuura-shi
- Kawachi Choritsu Kawachi Junior High School, Kawachi-machi
- Kimitsu Shiritsu Kameyama Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Kimitsu Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Koito Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Kururi Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Matsuoka Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Obitsu Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Sunami Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Susaiminami Junior High School, Kimitsu-shi
- Kimitsu Shiritsu Yaehara Junior High School, Kimitsu-shi
- Kimitsushiritsuseiwa Junior High School, Kimitsu-shi
- Kimitsushiritsususai Junior High School, Kimitsu-shi
- Kisarazu Shiritsu Fukuta Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Hatazawa Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Iwane Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Iwanenishi Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kamatari Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kaneda Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kisarazu Daiichi Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kisarazu Daini Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kisarazu Daisan Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Kiyokawa Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Nakago Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Namioka Junior High School, Kisarazu-shi
- Kisarazu Shiritsu Oda Junior High School, Kisarazu-shi
- Kokubunjidai Junior High School, Ichihara
- Kozakichoritsukozaki Junior High School, Kōzaki-machi
- Kujukuri High School, Kujūkuri-machi
- Kyonan Choritsu Kyonan Junior High School, Kyonan-machi