Around 2:25 p.m., a man approached a student walking home alone from La Costa Heights Elementary School on Levante Street and asked if he wanted a ride home, the Encinitas Union School District reported. The student said "no" and ran.
The student told police that the man had a "buzz cut" and was driving a white panel van with tinted windows.
Carlsbad police were notified about the incident around 8:30 pm. by a parent who requested extra patrol around the school, according to the City of Carlsbad.
Police are investigating.