Mean Scale Score for CSTs. This is the arithmetic mean or average of the scale scores for all students who took each grade-and/or content-specific CST without modifications. The scale scores for each grade and subject area range between 150 (low) to 600 (high).
Causes of central precocious puberty can include: 1  damage to the inhibitory system of the brain (due to infection, trauma, or irradiation), 2  hypothalamic hamartoma produces pulsatile gonadotropin-releasing hormone (GnRH), 3  Langerhans cell histiocytosis, or.  McCuneâAlbright syndrome.
It may seem like kids are growing up faster these days. But central precocious puberty (CPP) is a rare condition. It happens when the body matures sooner -- perhaps years earlier -- than expected. Puberty usually starts around age 7 1/2 in girls and around age 9 in boys.