One of the big events held by the Student Council is Sports Day in May.

Four-day School Excursion to Kyoto and Nara in June ( for Year 11 students )

Four-day School Camp in Nagano Prefecture during summer vacation ( for the Year 7 students )

Another big event held by the Student Council is KOUFUSAI ( School Festival ). The cultural clubs exhibit the results of the studies and works of the year. About 20,000 people come to see them every October.

Geological study in Nagatoro ( for Year 9 students ) is arranged by the science teachers in October.

Historical group-study in Kamakura ( for Year 7 students ) is arranged by the social studies teachers in November.

Four-day Ski camp during winter vacation ( for the interested students of Year 8 )

Taking a long walk along the Tonegawa River is a significant event of this school. Students walk from the upper stream to the mouth of the Tonegawa River in increasing portions as they grow up.