| 1872 | Founded Teachers College at the site of Kanda Shohei School |
|---|---|
| 1888 | Established Ordinary Junior High School Department at Teachers College (Establishment of our school) Specified insignia and cap for boys |
| 1890 | Moved to Kanda-Hitotsubashi Established alumni association |
| 1893 | First eight students graduated |
| 1896 | Moved into premises of Ochanomizu Teachers College Renamed as the Ordinary Junior High School at Ochanomizu Teachers College |
| 1897 | Renamed alumni association as “Toin-kai” |
| 1910 | Moved to new building at Otsuka-Kubomachi, Koishikawa |
| 1928 | School flag designed |
| 1929 | Built Highland Villa (Now “Toin-Ryo”) in Ashida Village, Nagano Prefecture |
| 1940 | Moved to new building at 56 Otsuka-cho, Koishikawa-ku (current location) |
| 1948 | New senior high school system started |
| 1949 | Renamed Senior High School at Otsuka, Tokyo University of Education |
| 1950 | Implemented coeducation from freshman level |
| 1978 | Renamed Senior High School at Otsuka, the University of Tsukuba |
| 1988 | Celebrated the centenary |
| 1996 | Completed construction of junior/ senior high school gymnasium |
| 2003 | Installed air-conditioning |
| 2004 | Transferred to National University Corporation |
| 2005 | Implemented barrier free improvements to school facilities Installed elevators |
| 2008 | Celebrated the 120th anniversary of the foundation |
| 2010 | Completed construction of junior/ senior high school swimming pool (9 lanes) |
