| 12号館 | — | — | college | — |
| 1対1ネッツ | — | — | prep_school | — |
| 3rd School | — | — | prep_school | — |
| 3匹の熊の家 | — | — | kindergarten | — |
| 6号館 | — | — | college | — |
| 90%ENGLISH | — | — | language_school | — |
| AEON | — | — | language_school | — |
| AEON | — | — | language_school | — |
| AEON | — | — | language_school | — |
| AGAROOT ACADEMY | — | — | prep_school | — |
| AMAZING SCHOOL JUR | — | — | college | — |
| AOBA Japan International Sc Hikarigaoka | — | — | school | — |
| ATOM | — | — | prep_school | — |
| Abe Gakuin High School | — | — | school | — |
| Abitus | — | — | school | — |
| Adachi Aoi Kindergarten | — | — | kindergarten | — |
| Adachi Futaba Kindergarten | — | — | kindergarten | — |
| Adachi Gakuen High School | — | — | school | — |
| Adachi Higashi High School | — | — | school | — |
| Adachi Nishi High School | — | — | school | — |
| Adachi Shinden High School | — | — | school | — |
| Adachi Shiraume Kindergarten | — | — | kindergarten | — |
| Adachi Wakaba Nursery | — | — | kindergarten | — |
| Aiai Nursery | — | — | kindergarten | — |
| Aiiku Kindergarten | — | — | kindergarten | — |
| Aiiku School for Disabled | — | — | school | — |
| Aikoku Junior High School & High School | — | — | school | — |
| Ainoie Nursery | — | — | kindergarten | — |
| Aioi Nursery | — | — | kindergarten | — |
| Airin Kindergarten | — | — | kindergarten | — |
| Aisei Nursery | — | — | kindergarten | — |
| Aisome Nursery | — | — | kindergarten | — |
| Akabane Elementary School | — | — | school | — |
| Akabane Elementary School | — | — | school | — |
| Akabane Iwabuchi Junior High School | — | — | school | — |
| Akabane Kindergarten | — | — | kindergarten | — |
| Akabane Kindergarten | — | — | kindergarten | — |
| Akabane Kita Nursery | — | — | kindergarten | — |
| Akabane Nishi Nursery | — | — | kindergarten | — |
| Akabane Nursery | — | — | kindergarten | — |
| Akabanedai Nishi Elementary School | — | — | school | — |
| Akado Elementary School | — | — | school | — |
| Akaitori Kindergarten | — | — | kindergarten | — |
| Akamonkai | — | — | prep_school | — |
| Akamonkai Japanese Language School | — | — | college | — |
| Akasaka Elementary School | — | — | school | — |
| Akasaka Junior High School | — | — | school | — |
| Akasaka Nursery | — | — | kindergarten | — |
| Akashi Elementary School | — | — | school | — |
| Akashi Kindergarten | — | — | kindergarten | — |
| Akatsuka-shimmachi Nursery | — | — | kindergarten | — |
| Akatsuki Kindergarten | — | — | kindergarten | — |
| Akebono Nursery School | — | — | kindergarten | — |
| Akira primary school, Chuo | — | — | school | — |
| American Language School Chofu | — | — | school | — |
| Ando Memorial Church Kindergarten | — | — | kindergarten | — |
| Annex School of Special Needs Education School for the Physically Challenged, University of Tsukuba | — | — | school | — |
| Aoba Elementary School | — | — | school | — |
| Aoba Junior High School | — | — | school | — |
| Aogashima Nursery School | — | — | kindergarten | — |
| Aoi Elementary School | — | — | school | — |
| Aoi Junior High School | — | — | school | — |
| Aoi Nursery | — | — | kindergarten | — |
| Aoitori | — | — | kindergarten | — |
| Aonijuku | — | — | school | — |
| Aoyagi Elementary School | — | — | school | — |
| Aoyagi Nursery | — | — | kindergarten | — |
| Aoyama Gakuin Elementary School | — | — | school | — |
| Aoyama Gakuin High School | — | — | school | — |
| Aoyama Gakuin Kindergarten | — | — | kindergarten | — |
| Aoyama Gakuin Primary School | — | — | school | — |
| Aoyama Gakuin University | — | — | university | — |
| Aoyama High School | — | — | school | — |
| Aoyama Junior High School | — | — | school | — |
| Aoyama Technical College | — | — | college | — |
| Aoyama Technical College | — | — | college | — |
| Arakawa City Third Junior High School | — | — | school | — |
| Arakawa Elementary School | — | — | school | — |
| Arakawa Nursery | — | — | kindergarten | — |
| Arakawa Satsuki Nursery | — | — | kindergarten | — |
| Arakawa Wakaba Kindergarten | — | — | kindergarten | — |
| Ariake Elementary School | — | — | school | — |
| Ariake Nishi Gakuen | — | — | school | — |
| Ariake Private Junior High School and High School | — | — | school | — |
| Arima Elementary School | — | — | school | — |
| Arima Kindergarten | — | — | kindergarten | — |
| Asagaya Junior High School | — | — | school | — |
| Asahi Elementary School | — | — | school | — |
| Asahi Elementary School | — | — | school | — |
| Asahi Nursery | — | — | kindergarten | — |
| Asahigaoka Elementary School | — | — | school | — |
| Asakusa Elementary School | — | — | school | — |
| Asakusa High School | — | — | school | — |
| Asakusa Junior High School | — | — | school | — |
| Asia Fellowship Society Foreign Language School | — | — | school | — |
| Asuka Junior High School | — | — | school | — |
| Asuka Sumire Kindergarten | — | — | kindergarten | — |
| Asunaro Nursery | — | — | kindergarten | — |
| Ayame Kindergarten | — | — | kindergarten | — |
| Ayase Elementary School | — | — | school | — |