Step 1: Identify the voice of the sentence.
The given sentence is in the active voice because the subject “Tagore’s father” performs the action of founding a school.
Step 2: Identify subject, verb, and object.
Subject: Tagore’s father
Verb: founded
Object: a school
Step 3: Convert into passive voice.
In passive voice, the object of the active sentence becomes the subject, and the verb changes into its passive form. The subject is introduced using “by”.
Step 4: Final sentence.
Therefore, the passive voice of the sentence is: “A school was founded by Tagore’s father.”