Respuesta :
The correct verb that uses ser or estar for El maestro is:
"el es el maestro"
in translation that means:
"He is the teacher"
"el es el maestro"
in translation that means:
"He is the teacher"
For "estar"- El maestro está en la escuela.
For "ser"- El maestro es alto.
For "ser"- El maestro es alto.