I haven’t been to a theatre for years (since I was a high school student) because there are no movies I’m interested in.
I haven’t been to a theatre for years (since I was a high school student) because there are no movies I’m interested in. 「興味ある映画がないので、何年も(高校生の時から)映画館に行っていない。」
for years: 何年も
上記のように表現してみてはいかがでしょうか。
ご参考になれば幸いです。
I haven't been to the movies for years. There aren't any good movies I want to see.
I haven't been to the movies for years. There aren't any good movies I want to see.
映画館にもう何年も行っていない。見たいと思ういい映画がないんだ。
映画館は movies だけでも伝わります。
The last time I went was when I was in high school!
最後に行ったのは高校生だった時!