Looking on the internet deeply has found these results:

we go to school by bus is the most popular phrase on the web.

we go to school on bus 10 results on the web	we go to school by bus 1943 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	⑤凯特⑴坐⑴{公共汽车}⑸回家⑩。 Kate came home by bus. 让我们坐公共汽车去。 Let's go by bus. 我们乘公共汽车去上学。 We go to school by bus. 她被公共汽车 ... We go to school by bus. Some people go to church on Sundays. public buildings, institutions, means of transport (definite). The school that Mandy goes to is old. We go to school by bus. (CK); [S] · [T] We were all on the bus. (CK); [S] · [T] Where do I get the bus? (CK); [S] · [T] You'd better go by bus. (CK); [S] · [T] I come to ... We go to school by bus. 私は歩いて学校に通う。 I go to school on foot. 小学生は６年間学校に通う。 Elementary school children go to school for a term of six years.

we go to school on bus

10 results on the web

we go to school by bus

1943 results on the web

More popular!

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

⑤凯特⑴坐⑴{公共汽车}⑸回家⑩。 Kate came home by bus. 让我们坐公共汽车去。 Let's go by bus. 我们乘公共汽车去上学。 We go to school by bus. 她被公共汽车 ...
We go to school by bus. Some people go to church on Sundays. public buildings, institutions, means of transport (definite). The school that Mandy goes to is old.
We go to school by bus. (CK); [S] · [T] We were all on the bus. (CK); [S] · [T] Where do I get the bus? (CK); [S] · [T] You'd better go by bus. (CK); [S] · [T] I come to ...
We go to school by bus. 私は歩いて学校に通う。 I go to school on foot. 小学生は６年間学校に通う。 Elementary school children go to school for a term of six years.