Click picture above to see the video
13WHAM News Reporting: The Churchville-Chili School District said a fight occurred inside the school Tuesday, and video of the incident was posted online.
The district said the fight happened late in the school day. Video was posted on social media later in the evening.
A statement on the district's website reads in part, "The district takes this behavior very seriously and is conducting a complete investigation. Due to the number of students involved the investigation will take time."