Schumaker hit an RBI single in the bottom of the fifth, when St. Louis scored three times to overcome a 4-1 deficit.
Brandon Phillips hit a two-run homer and had two hits and three RBI, David Ross hit a solo homer, and one run scored on an eighth-inning wild pitch by Ryan Franklin for the Reds, who have dropped four of their last five games.
Losing pitcher Kyle Lohse (1-1) was charged with five earned runs and 11 hits in six innings.
Martin Bashir resigns from MSNBC over Sarah Palin comments
Texas principal bans speaking Spanish, stirs controversy