In 2016, France spent 5.4 % of its GDP on education …

„In 2016, France spent 5.4 % of its GDP on education (compared to the EU average of 4.7 %). 2.4 % of GDP was spent on secondary education, ranking France second in the EU (EU average 1.9 %).“
EU-Kommission (Hrsg.), Education and Training Monitor 2018 (2018), S. 103.