YOU SAID:

When I came home from school I was very busy and had a new influx of homework to deal with

INTO JAPANESE

学校から家に帰ると、とても忙しくて、宿題が山積みになっていました

BACK INTO ENGLISH

When I got home from school, I was so busy and had a mountain of homework.

INTO JAPANESE

学校から家に帰ると、とても忙しくて宿題が山積みでした。

BACK INTO ENGLISH

When I got home from school, I was so busy and had a mountain of homework.