new term

My son’s summer vacation ended yesterday and school started from today.
My wife and I got tired from the morning because my kid whined “I don’t want to go to school”
(or “I just want to stay at home!”)

新学期

息子くん、夏休みが終わり、今日から幼稚園に登校ですが、
案の定、彼は「行きたくない！」と泣き叫んで大変でした。

修正内容

new term

My son’s summer vacation is over yesterday, then he went to kindergarten from today.
→My son’s summer vacation ended yesterday/was over/ and school started from today.

My wife and I had a tough time.
because he yelled, “I don’t want to go!”
→文法としては特に間違いはないですが、
My wife and I got tired from the morning because my kid whined “I don’t want to go to school/I just want to stay at home!の方が何が起きたのか分かりやすい。