please edit it for 10 points?

Moreover, there are demographics in _____ Junior High School. The statistical data of a population in my workplace includes age, income, ethnicity, education, gender, and status. In early years, teaching used to be women’s job. However, as years go by. Make teachers start to grow and eventually the amount of male teachers is close to the female teachers. In Highland, there are teachers in both genders. Nonetheless, female teachers tend to be more than male teachers. About 2/3 of the teachers are female. Since they are teaching Junior high school, they all received a university degree. Some of them even received a master degree not the subject they are teaching. Even though different subjects have their own salary, but the average income of the teachers is $46000/ year. Highland is a multicultural school. Students from age 12-15 came from all around the world. However, the majority is Asian, especially Chinese. Similar to the student’s situation, teachers came from different background. Some of them just graduated from university and some of them are closed to retiring age that have a lot of teaching experience. As seen, Highland has a large variety results on democracy.

Moreover, there are demographics in _____ Junior High School. The statistical data of a population in my workplace includes age, income, ethnicity, education, gender, and status. In early years, teaching used to be women’s job. However, as years go by. Make teachers start to grow and eventually the amount of male teachers is close to the female teachers. In Highland, there are teachers in both genders. Nonetheless, female teachers tend to be more than male teachers. About 2/3 of the teachers are female. Since they are teaching Junior high school, they all received a university degree. Some of them even received a master degree not THE subject they are teaching. Even though different subjects have their own salary, but(BUT DOESN'T NEED TO BE HERE) the average income of the teachers is $46000/ year. Highland is a multicultural school. Students from age 12-15 COME from all around the world. However, the majority is Asian, especially Chinese. Similar to the student’s situation, teachers came from different background. Some of them just graduated from university and (some of them that have a lot of teaching experience ARE CLOSE to retiring age.) As seen, Highland has a large variety results on democracy.

There is something wrong with sentences three and four.
Some minor and major sentence reconstruction.
You should really consult your own teacher.