Where any agricultural high school has extended its curriculum, so as to include freshman and sophomore years of college work, the board of trustees of the agricultural high school, with the approval of the county board of education of the county in which the school is located, may abolish all its high school work and confine its activities to junior college work. Where the high school department is abolished in any agricultural high school-junior college under the provisions of this section, and it later appears that it would be to the interest of the agricultural high school-junior college and the county in which the school is located, the board of trustees of the agricultural high school of the county in which the school is located, may, in its discretion, with the consent of the county board of education restore all or any part of the high school department to the curriculum of the agricultural high school-junior college.
When any agricultural high school-junior college abolishes its high school department as provided in this section all laws relating to agricultural high school for tax levies for the support of the school, and all other laws relating to the government and management of agricultural high schools and agricultural high school-junior colleges, not inconsistent with the provisions of this section, shall continue in full force and effect for the junior college department of said school.