Is it normal for teachers not to reply to text messages?

Maybe the teacher is busy. Wait a minute. If it's urgent, you can call.

Extended data:

School (English: school) refers to an organization in which educators systematically carry out educational activities for the educated in a planned and organized way. The name originated in the Republic of China. School education is a purposeful, systematic, organized and planned social activity carried out by full-time staff and specialized institutions. Its direct goal is to influence the physical and mental development of the educated, and finally make the physical and mental development of the educated reach the predetermined goal. School education refers to all kinds of educational activities accepted by the educated in various schools and is an important part of the education system. The specific activities of school education are influenced by social needs.