Looking on the internet deeply has found these results:

Ten students are not too much is the most popular phrase on the web.

Ten students are not too many 1566,000,000 results on the web	Ten students are not too much 1761,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It's like a secret society between the top ten students. Each year, our faculty chooses ten students who exemplify the best of what we are trying to achieve. Now they recognize ten students per year for contributions to the university. In Picton there was a school with ten students. One study has shown that one in ten students in Hamburg between the ages of 14 and 18 illegally plays for money on the Internet, whether in the form of online poker or sports betting. Ten students staying at London South Bank University are thought to have contracted swine flu. So we now have the largest peer Ten students are invited to perform at the showcase a year.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Ten students are not too many

1566,000,000 results on the web

Ten students are not too much

1761,000,000 results on the web

More popular!

It's like a secret society between the top ten students.
Each year, our faculty chooses ten students who exemplify the best of what we are trying to achieve.
Now they recognize ten students per year for contributions to the university.
In Picton there was a school with ten students.
One study has shown that one in ten students in Hamburg between the ages of 14 and 18 illegally plays for money on the Internet, whether in the form of online poker or sports betting.
Ten students staying at London South Bank University are thought to have contracted swine flu.
So we now have the largest peer
Ten students are invited to perform at the showcase a year.

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