involvement in higher education has grown exponentially after the Iranian Revolution. According to UNESCO world survey, Iran has the highest female to male ratio at primary level of enrollment in the world among sovereign nations, with a girl to boy ratio of 1.22:1. Schools for Gifted Children The National Organization for Development of Exceptional Talents (NODET), also known as SAMPAD (سمپاد), maintains middle and high schools in Iran. These schools were shut down for a few years after the revolution, but later re-opened. Admittance is based on an entrance examination and is very competitive. Their tuition is similar to private schools but may be partially or fully waived depending on the students' financial condition. Some NODET alumni are world-leading scientists. Other schools are Selective Schools which are called "Nemoone Dolati". These schools are controlled by the government and have no fees. Students take this entrance exam alongside NODET exams. Organization for Educational Research and Planning (OERP) OERP is a government affiliated, scientific, learning organization. It has qualitative and knowledge-based curricula consistent with the scientific and research findings, technological, national identity, Islamic and cultural values. OERP's Responsibilities: 1. To research on the content of the educational, 2. To study and develop simple methods for examinations and educational assessments, 3. To write, edit and print text-books, 4. To identify and provide educational tools and the list of standards for educational tools and equipments, 5. To run pure research on improving the quality and quantity of education, 6. To perform other responsibilities issued by the OERP Council. Prominent high schools in Iran: historical and current Aboureihan High School Alborz High School Allameh Helli High Schools (NODET) Allameh Tabatabaei High School Bagherol Oloom High School Daneshmand High School Danesh High School Energy Atomi High School Farzanegan High Schools (NODET) Firouz Bahram High School Hadaf No.3 High School Imam Ali High School (NODET) Imam Mousa Sadr High School Kamal High school Mirza Koochak Khan High School (NODET) Mofid No.1 and No.2 High School Nikan High School Rahyar Educational Complex Razi High School Roshangaran High school Salam High Schools Shahid Beheshti High School, Soheil Shahid Dastgheib High School(NODET) Shahid Ejei High School (NODET) Shahid Soltani School (NODET) Shahid Saleh school (examplery school) International Baccalaureate schools Iran has three International Baccalaureate (IB) schools. They are Mehr-e-Taban International School, Shahid Mahdavi International School, and Tehran International School. Mehr-e-Taban International School is an authorized IB world school in Shiraz