 Voorhoeve attended the Gymnasium Haganum in The Hague from April 1958 until May 1964.Afterwards, he enrolled at The Hague University of Applied Sciences as an undergraduate from May 1964 until June 1968.Voorhoeve studied at Leiden University beginning in June 1968, majoring in Political science and obtaining a Bachelor of Social Science degree in September 1969 before graduating with a Master of Social Science degree in July 1971.