Skip to the first day of high school.

跳到高中的第一天。

youdao

This is my first day of high school in life.

这就是我在高中生活的第一天。

youdao

It was my first day of high school as a sophomore, and I was late.

那一年我念高二，刚开学那天，我迟到了。

youdao

He spoke on the first day of classes at a high school in Virginia.

VOA: special.2009.09.10

On my first day of high school, going into math class, two of my classmates pointed and laughed at me.

NPR: Being Content with Myself

Three boys (Nate Hartley, Troy Gentile, and David Dorfman), on their first day of high school, are selected for victimization by the evil Filkins (Alex Frost).

NEWYORKER: Drillbit Taylor

From the first day of high school onward, her new real world adventures will be tethered to a previous set of experiences that are never more than a flick of the scroll wheel away.

FORBES: On The Net, Junior High Never Ends