1 Secretion of erythropoietin, which regulates red blood cell production in the bone marrow. 2  Secretion of renin, which is a key part of the reninâangiotensinâaldosterone system. 3  Secretion of the active form of vitamin D (calcitriol) and prostaglandins.
A: A charter school is a public school that is organized and operated according to the terms of the. charter, or contract. A charter school cannot have admissions criteria or charge tuition. A private school is not subject to state school laws, local board of education policies, or State Board of Education rules.
Today, California is at the leading edge of the innovative and fast-growing public charter school movement, with 1230 schools, serving more than 581,000 public school students. Are charter schools right for your family? Learn more about how charter schools are transforming public education and the lives of children in California.