Participation

I am already looking at giving report card grades for participation in class and willingness to speak in French.
 C (consistently) is always in French
 U (usually) is mostly in French, very few English words given
 S (sometimes) is some French and some English
 R (rarely) is mostly English in class

The only way to learn another language is to actually use it, even if it is more difficult to communicate.  Speaking English will not help you learn French.