Well, you STILL need to go back and read the rules.
Please read the articles on shrimp (look to the left here) and the shrimp Varieties page and find the care guide for the species you want. In this case it is
http://www.petshrimp.com/redcherryshrimp.html
We are more than willing to help you here, but just like your students, we expect you to do a little homework before you ask a question that has been asked & answered a hundered times. Think about what gets teachers mad and don't bring those traits here.
Use the search feature. In this case I searched for "RCS Breeding" clicked search for all terms and got a 2 page list. Scanning down the topics I got:
viewtopic.php?t=605&highlight=rcs+breeding
Anyway, I don't want to discourage you from posting, but If you keep asking questions that are easy to find asnwers for, you'll get scolded. What ever you do, don't excuse yourself by saying "I am just lazy" "I'm in too big of a hurry to search" or other indicators that let the members here know that you don't value their time.