European School Frankfurt in Frankfurt-Hausen (www.esffm.org)
European School RheinMain (www.es-rm.eu/)
Frankfurt International School in Oberursel + International School of Wiesbaden (www.fis.edu)
ISF International School Frankfurt Rhein-Main in Frankfurt-Sindlingen (www.isf.sabis.net/)
Metropolitan School Frankfurt in Frankfurt-Rödelheim (www.m-school.de)
Strothoff International School in Dreieich (www.strothoff-international-school.de)
Swiss International School Frankfurt (www.swissinternationalschool.de)
accadis International School Bad Homburg (https://www.accadis-isb.de/)
Erasmus School Frankfurt in Frankfurt/Westend (www.erasmus-schule.eu)
Erasmus School Offenbach (www.erasmus-offenbach.de)
Fintosch Multilingual Primary School (https://www.fintosch.com/)
International Bilingual Montessori School in Frankfurt-Westend (www.ibms-frankfurt.de)
Kids Camp Primary School in Königstein (www.kidscamp-koenigstein.de)
Die Kinderzeit-Schule in Schwalbach (https://www.kinderzeit-gutezeit.de/schule.html)
Obermayr International School in Schwalbach (www.obermayr.com)
PbG – Private bilingual all-day school in Wiesbaden (www.pbg-wiesbaden.de)
Phorms Frankfurt – City & Taunus Camous in Frankfurt-Nordend (www.frankfurt.phorms.de und www.frankfurt-taunus.phorms.de)
Hessen's first and so far only public school with English as the only language of instruction opened in 2005:State International School in Seeheim-Jugenheim
You can find a short description of all of the schools mentioned above on the Newcomers Network Frankfurt Rhein Main website.