Verified Answer :

Although
only 17, Carter was innovative in improving the methods of copying tomb
decoration. In 1892, he worked under the tutelage of 
Flinders Petrie for one season at Amarna, the capital founded by the
pharaoh Akhenaten. From 1894 to 1899, he worked with 
Édouard Naville at Deir el-Bahari, where he recorded the wall reliefs
in the temple of 
Hatshepsut. So most likely the apprenticeship was what helped Howard Carter improve as an archaeologist. 

He went to college and studied