is bala bharathi high school in ramanthapur english medium in the small classes

son is in ukg. looking at state board schools for class 1 next year, trying to widen the list beyond tolichowki. bala bharathi high school in ramanthapur came up. want to know the medium of teaching for nursery to class 2, school timings, and whether they take class 1 joiners or it's only from nursery. no idea about that side of the city, so any first hand experience helps