Even though I was in an environment that wasn't very good, I didn't end up getting influenced negatively.
こんにちは!
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
Even though I was in an environment that wasn't very good, I didn't end up getting influenced negatively.
とすると、「[あまり良くない環境](https://eikaiwa.dmm.com/uknow/questions/114184/)に身を置いても悪い方に染まらなかった」となります。
役に立ちそうな単語とフレーズ
get easily influenced by others 人に影響を受けやすい
参考になれば幸いです。
Even though I was in a pretty poor high school environment, it didn't rub off on me.
この場合、次のような言い方ができますよ。
ーEven though I was in a pretty poor high school environment, it didn't rub off on me.
「荒れた高校に身を置いていたが、悪い方に染まらなかった」
to be in a poor environment で「悪い環境に身を置く」ことを言えます。
to rub off on ... で「人に影響を与える」
ご参考まで!