The Navarros educational centres of Opus Dei receive public funding through the concert. The concerted schools renewed this agreement in March and extended it until 2027. But the agreement expressly mentions the need to put an end to the distinction between boys and girls in order to have access to public aid. However, the two schools of the Opus Dei of Navarra have only become mixed two classrooms of first grade of Primary, while the rest of the classrooms are kept separated by gender. The Minister of Education, Carlos Gimeno, said that the Government of Navarra "must demand compliance with the law". He has announced that the legal services of his department will transfer him "a description of the legal, regulatory and administrative options so that he can make the right political decision".

At the Miravalles-El Redín and Irabia–Izaga schools of Opus Dei, about 4,500 people learn and 350 teachers work. In 2018, EUR 11.5 million were raised from public funds. Although in March they committed not to separate the students, they are not being fulfilled.

All parties have been critical of the attitude of the Opus Dei schools, except UPN. Spokesman Javier Esparza has advocated the possibility of distinguishing between boys and girls: "We will not give up defending the freedom of families to choose [the educational model]," he added.