Hii Priyanshi!
Mother's Public School, Puri, is a reknowned school and one of the best in the region. Yes, the school is good for completing class 11th and 12th as well. It's affiliates to CBSE. The think is, no institute is good or bad. It's upon you whether you like it or not or you are comfortable and satisfied with the place or not. You may refer the official website given below to get more information -
http://puri.mothers.edu.in/
Hope this helps.
Good luck!

Hello,

Mother's Public School is a good Institution when it comes to Education and other facilities. The University has facilities like classroom, dance room, music room, library etc. The school organize various events in the school and fun activities. It has also been rated good by the people. It has been awarded as one of the best cbse school in India as well.