<p>Sports really are big at a lot of private schools (both boarding and day). How it plays out can vary - some schools want everyone to do sports, some are focused more on having winning teams.
You can find out about day schools in lots of ways. Schools in New England, for example, are nearly all listed at <a href=“http://www.aisne.org%5B/url%5D”>www.aisne.org</a>. Schools in the Maryland area are at [AIMS</a> - Website](<a href=“http://www.aimsmd.org%5DAIMS”>http://www.aimsmd.org).
And Petersons lists schools all over the country.</p>