| 1967 | Numazu Joshi Koto Gakko Affiliated Kindergarten established.
|
|---|---|
| 1969 | Junior English School (JES) established in the Institute of Language Education. |
| 1971 | Renamed Katoh Kindergarten.
The first Kobato Newsletter issued. |
| 1972 | Mrs. Fuji Katoh passed away. Dr. Masahide Katoh inaugurated as the second director.
The 5th anniversary ceremony of the foundation conducted. The 1st Katoh Gakuen Open Class & Open Plan Workshop. |
| 1973 | The 1st Kindergarten Bazaar.
The 2nd Katoh Gakuen Open Class & Open Plan Workshop. |
| 1974 | The 3rd Katoh Gakuen Open Class & Open Plan Workshop. |
| 1975 | The 4th Katoh Gakuen Open Class & Open Plan Workshop. |
| 1976 | The 5th Katoh Gakuen Open Class & Open Plan Workshop. |
| 1977 | The 10th anniversary ceremony of the foundation conducted. |
| 1978 | The 1st Kobato Festival took place. |
| 1979 | The 1st Kobato Gallery took place. |
| 1980 | Exchange with American schools started. |
| 1981 | The 15th anniversary ceremony of the foundation conducted. The school song monument completed. |
| 1983 | The original curriculum leading to elementary education developed. |
| 1984 | Home education class started. Research theme: “The function of painting in education.” |
| 1985 | Recognized as “a safe driving institution.” |
| 1987 | The 20th anniversary ceremony of the foundation conducted. |
| 1989 | Computer education started. |
| 1991 | The 25th anniversary ceremony of the foundation conducted. “Hagoromo Education Encouragement Prize / School Prize” awarded. |
| 1994 | English immersion education started. The 1st Immersion International Symposium. |
| 1997 | The 30th anniversary ceremony of the foundation conducted.
The extended child-care program initiated.
Soccer class started. Exchange with sister kindergartens in Australia started. The 2nd Immersion International Symposium. |
| 1999 | The child-raising circle, “Chu-Chu,” established. |
| 2000 | The activities of regular and immersion programs individualized. |
| 2001 | Mr. Sadao Hasegawa inaugurated as the 3rd director.
The 35th anniversary ceremony of the foundation conducted. |
| 2004 | The 3rd Immersion International Symposium. |
| 2007 | Dr. Masahide Katoh inaugurated as the 4th director. The 40th anniversary ceremony of the foundation conducted. |