For Sophia's parents, Olga Glukhovska and German - born Christian Schaefer, the news came that the daughter was forced to change school without warning.
They say that the daughter can speak German, but that the German school has chosen Sophia because of her disability linked to the language - and that she is stuttering.
The German school asserts its right to set high standards
The German school believes that they follow the law that applies to international schools - that children can be denied a place if they do not meet the language requirements.
The school also believes that they inform the parents that the students in the preschool are not guaranteed a place in year one.
According to the school, only a few children are denied a year.
This year, two children had to quit.
The National Agency for Education: "The law provides scope for interpretation"
According to Emelie Högberg, who is the teaching council at the National Agency for Education, the international ordinance in the Education Act states that students must have sufficient knowledge of the language.
But there is no mention of language maturity, however, the legal text leaves room for interpretation, she says.
The Swedish Schools Inspectorate inspects the German school
It is the Swedish Schools Inspectorate that makes the assessment of whether schools comply with the law.
The investigator at the authority does not want to comment on the individual case, but confirms that they are currently looking at how the German school makes a selection of students and how the school works with special support.
Since last autumn, Sophia goes to a Swedish school.
The family has turned to the Discrimination Ombudsman, DO, to have their case tried.