1995 -2000, served as the chief of educational administration in Mianyang Mechanical and Electrical Industry School, a provincial key technical secondary school.
From 2000 to 2003, he served as the director of the academic affairs office and the director of the teaching and research section of Mianyang Experimental High School, and was a senior in 2003.
Grade director. The first college entrance examination achieved amazing results and won the first prize in Mianyang, becoming the school in Mianyang after Nanshan Middle School and Mianyang Middle School. Established a provincial demonstration high school for the experimental high school, and contributed to the reform model of middle schools in Sichuan Province. It is recognized as the founder of experimental high school.
From 2003 to 2004, he served as assistant to the principal of Puming Middle School in Mianyang City, in charge of teaching and enrollment. Within one year, the teaching management of Puming Middle School was standardized, and the results of college entrance examination were greatly improved. Won the first prize of Mianyang City, and the enrollment doubled over the previous year.
From August 2004 to 2008, Mianyang Education Bureau selected the headmaster of Nanshan Middle School for the whole city, which is a new system school on the verge of bankruptcy, with lax management, heavy debts and difficulties in enrolling students. He Jia was ordered to be in danger. He made great efforts to strengthen management, insisted on "survival by quality, development by characteristics", and adopted effective measures such as "whole-course tracking management" and "Zhou Hefu" to continuously improve the quality of the school, and the enrollment soared from more than 1500 to more than 5,000, making Nanshan Bilingual a famous school in the west.
He is brave in practice and innovation, and good at learning and research. He has written more than 20 papers, such as the benign effects of unconscious education, the four levels of quality education in primary and secondary schools, classroom teaching as the main channel to implement quality education, and the introduction method of mathematics topics, which have been published in national and provincial journals.
After becoming the principal of Danzhou No.2 Middle School this year, he put forward the idea of "standardizing school running, making scientific decisions, strengthening management, paying close attention to quality and highlighting characteristics", and achieved the goal of "turning No.2 Middle School into a provincial-level first-class school within three years" and "a famous school in western Hainan".