Complex sentence: While a student at Takapuna Grammar School he was instrumental in setting up Radical Youth, an anti-capitalist organisation for young people, and has also been involved in the Palestinian rights group Students for Justice in Palestine and helps run an anarchist social center in Auckland.
Split into simpler sentences: While a student at Takapuna Grammar School he was instrumental in setting up Radical Youth, an anti-capitalist organisation for young people. He has also been involved in the Palestinian rights group Students for Justice in Palestine and helps run an anarchist social center in Auckland.