It's just like heaven not having any homework during my summer holidays.
It feels like I have died and gone to heaven not having any homework over the summer break.
heaven も paradise も使えますよ。
ーIt's just like heaven not having any homework during my summer holidays.
「夏休みの間、宿題がないなんて天国だね」
または次のような表現もあります。
ーIt feels like I have died and gone to heaven not having any homework over the summer break.
夏休みの間、宿題がないなんて天国に行ったみたいだよ」
to die and go to heaven は何かものすごく嬉しい経験をした時などに使う表現です。
ご参考まで！
カナダ 
