He was enrolled at Gakushūin and the Imperial Army Academy, both in Tokyo.
According to Quacquarelli Symonds, Gakushuin is the 6th-best research university in Japan and the 9th-best in Asia in terms of citations per paper.
While Shiga was at the Gakushuin he became friends with Saneatsu Mushanokōji and Kinoshita Rigen.
Princess Takako graduated from Gakushuin University Women's College with a degree in English literature in March 1957.