Question The speed limit in school zones is: Answers 20 mph. 30 mph. 45 mph. 50 mph. Explanation Unless otherwise posted, drivers in school zones should not drive faster than 20 mph. You should always use caution when driving in a school zone. Pass your DMV Written Test with flying colors Take me to the cheat sheet Ohio This questions appears in the following tests: Ohio Practice Test 24 Ohio Practice Test 3