Looking on the internet deeply has found these results:

He is being going to school is the most popular phrase on the web.

He is going to school 11,230,000 results on the web	He is being going to school 1647,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I will see him even less after he is elected, especially because I will be here 4,000 miles away stuck going to school. Granted, he is going to art school, where the percentage rate for a well You know, Mamere is going to go to school. He is not going to miss school! paying job is one of the lowest in the country, but I really am happy for him. This girl is going to school with a laptop on her head. He isn't going to school at all. Scott shouldn't be going to school.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

He is going to school

11,230,000 results on the web

He is being going to school

1647,000,000 results on the web

More popular!

I will see him even less after he is elected, especially because I will be here 4,000 miles away stuck going to school.
Granted, he is going to art school, where the percentage rate for a well
You know, Mamere is going to go to school.
He is not going to miss school!
paying job is one of the lowest in the country, but I really am happy for him.
This girl is going to school with a laptop on her head.
He isn't going to school at all.
Scott shouldn't be going to school.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.