Rochelle Zell Jewish High School (RZJHS), formerly Chicagoland Jewish High School (CJHS), (Rochelle Zell, Hebrew: תיכון שיקאגו), located 25 miles northwest of downtown Chicago, is a private, full-day, co-educational high school for primarily Jewish students from grades nine to twelve. Rochelle Zell first opened its doors in 2001 to 26 students.