<P> School of Rock is an American musical - comedy television series developed by Jim Armogida and Steve Armogida that aired on Nickelodeon from March 12, 2016 to April 8, 2018 . The series is based on the 2003 film of the same name and stars Breanna Yde, Ricardo Hurtado, Jade Pettyjohn, Lance Lim, Aidan Miner, Tony Cavalero, and Jama Williamson . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 12 </Td> <Td_colspan="1"> March 12, 2016 (2016 - 03 - 12) </Td> <Td> June 18, 2016 (2016 - 06 - 18) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 13 </Td> <Td_colspan="1"> September 17, 2016 (2016 - 09 - 17) </Td> <Td> January 28, 2017 (2017 - 01 - 28) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 20 </Td> <Td_colspan="1"> July 8, 2017 (2017 - 07 - 08) </Td> <Td> April 8, 2018 (2018 - 04 - 08) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr>

How many episodes in school of rock season 3