Why did Hai 'an Shuanglou Vocational High School disappear?

Hai' an Shuanglou Vocational High School also has it. According to official website's notice, the school is still enrolling students in 2023. Jiangsu Hai 'an Shuanglou Secondary Vocational School (formerly Jiangsu Hai 'an Shuanglou Vocational High School) is the first rural vocational middle school in New China. It was founded on March 8, 1958 at the initiative of former Vice Premier of the State Council and Minister of Publicity Department of the Communist Party of China Lu.