Legal analysis: As long as the content of the teacher training agreement is not prohibited by law and is reached in a fair and voluntary manner, it has legal effect. If the content of the agreement involves some provisions prohibited by law, the legal effect of the agreement cannot be completely denied, but the provisions prohibited by law will be invalid.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 143 A civil juristic act that meets the following conditions is valid:

(1) The actor has corresponding capacity for civil conduct.

(2) the meaning is true;

(three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs.

Article 153 A civil juristic act that violates the mandatory provisions of laws and administrative regulations is invalid. However, unless mandatory provisions do not invalidate civil legal acts.

A civil legal act that violates public order and good customs is invalid.