Answer: Cleveland Select, and other Pyrus calleryana varieties, are grown as ornamental pears and do not bear edible fruits. Since you want a fruit tree rather than an ornamental, I would suggest you consult with your local county extension to find out which fruiting pears grow best in your local area and plant some of those.
In the meantime here is some information about growing pears at home that you may find helpful. You may need to cut and paste the complete url into your browser to make it work correctly.
Good luck with your pear trees!
Q&A Library Searching Tips