“It seems from what I read though that they are trying to exclude sefardi families who are charedi.”
That is a blood libel by the court and media. There isn’t a shred of truth to it. Not only is the admission policy exclusively based on religious observance and not ethnic background, and the student body is mixed with Ashkenaz, Sefard, and Chasidic students, but Sefardic fathers of children in the Emmanuel Bais Yaakov were sent to prison yesterday!