How to calculate the expiration time of driving school?

It is valid for three years from the date of passing the exam.

"Provisions on the Application and Use of Motor Vehicle Driving License" Article 38 Where an applicant learns to drive on the site and on the road, he shall obtain a learning driving certificate in accordance with the regulations. The validity period of the learner's driving certificate is three years, and the applicant shall complete the examination of subject 2 and subject 3 within the validity period. If the examination is not completed within the validity period, the scores of subjects that have passed the examination are invalid.

Once the subject is completed, this certificate is valid for three years, and the other subjects 2, 3 and 4 should be completed within three years. If the subject is not completed as scheduled, we must start from the subject and study again.

Extended data:

Start counting after passing the subject 1 exam and obtaining the driving skill admission ticket, and complete the subject 2 and subject 3 exams within three years. Article 32 of the new traffic regulations stipulates that if an applicant applies for a motor vehicle driver's license for the first time or applies for increasing the number of quasi-driving models, the vehicle management office shall issue a certificate of driving skills within one day after passing the first subject one exam. The driving skill certificate is valid for three years, and the applicant shall complete the examination of subject 2 and subject 3 within the validity period. If the examination is not completed within the validity period, the scores of subjects that have passed the examination are invalid.

Baidu Encyclopedia-Provisions on the Application and Use of Motor Vehicle Driving License