You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Hyderabad

Context:
Public and private schools in Hyderabad are governed by the Central Board of Secondary Education and follow a "10+2+3" plan. About two-thirds of pupils attend privately run institutions. Languages of instruction include English, Hindi, Telugu and Urdu. Depending on the institution, students are required to sit the Secondary School Certificate or the Indian Certificate of Secondary Education. After completing secondary education, students enroll in schools or junior colleges with a higher secondary facility. Admission to professional graduation colleges in Hyderabad, many of which are affiliated with either Jawaharlal Nehru Technological University Hyderabad (JNTUH) or Osmania University (OU), is through the Engineering Agricultural and Medical Common Entrance Test (EAM-CET).

Question:
What percentage of students are in private schools in Hyderabad?

two-thirds