Surroundings filled with rich girls with 〜だらけ

Grammar Explanation: Covered in with 〜だらけ

Chiya says it must be boring attending an elite school simply because they’re covering one’s tuition.

千夜(ちや):: 「私(わたし)だったら周(まわ)りがお嬢様(じょうさま)だらけで気(き)を遣(つか)って疲(つか)れちゃう」; "If it were me, I'd get tired of surroundings filled with rich girls and having to act proper."