Fetching details from the dictionary...
head of a garden; kindergarten principal; nursery school principal; park director; zoo director; head of a plantation
園長が入園式で挨拶を述べた。
The principal gave a speech at the enrollment ceremony.
園長の方針で園庭に遊具が増えた。
Under the principal's policy, more playground equipment was added.
新しい園長が保護者会で自己紹介した。
The new principal introduced herself at the parents' meeting.