Earlier Amruthalur was ruled by Katragadda Zamindari predominantly by Rao Sahib Katragadda Pedha Achaiah(1848-1890) followed by his elder son Katragadda Sriramullu(1873-1906) followed by his only son Katragadda Varadarajullu(1896-1960) till the zamindari system was abolished. Katragadda Varadarajullu built school in his own land in inturu(ఇంటూరు), Amruthalur mandal even Mahatma Gandhi visited this school in inturu which was later taken control by government and named it as Katragadda zilla parishad high school, drinking water wells were built by him for welfare of people, He donated his own land for people to use for graveyard purposes in 4 villages as there are no graveyards in Inturu, Rambhotlapallem, Tummalapalem surrounding areas.
Katragadda Varadarajullu has also given his own 35 acres of agricultural land for 99 years lease to vinayashram through his relative Jagarlamudi Kuppuswamy Chowdary in 1933.
Later Amruthalur used to be an assembly constituency and Saranu Ramaswamy chowdary was elected member of legislative assembly
As per the school information report for the academic year 2018–19, the village has a total of 9 schools. These include one private and 8 Zilla/Mandal Parishad.[8]
^"School Information". Commissionerate of School Education. Government of Andhra Pradesh. Archived from the original on 16 April 2019. Retrieved 7 May 2019.