Join the Texas Board of Education. The members on the state Board of Education are voted into their positions. They are the individuals that propose modifications to the state curriculum and vote on the changes to later implement them.
Propose changes to the curriculum and put them before the other members of the board of education. Give a logical reason for the changes and the purpose of the changes. For example, changes that update wording in books can make the textbooks easier for students to understand.
Bring in an expert in the field. According to The Washington Post, the 2010 changes to historical textbooks in Texas curriculum did not consult historians and has annoyed experts because some changes are inaccurate. Bringing in an expert in the field to back up changes can show where mistakes are made in the specific curriculum.
Vote on the changes. Modifications to Texas curriculum are made after the state Board of Education votes on the changes proposed to the entire board.