Concert Jazz Orchestra -  Concert Jazz Orchestra (CJO) is the premiere jazz ensemble of three at Belleville East High School. CJO performs at countless civic functions and jazz festivals in both Illinois and Missouri. The Concert Jazz Orchestra has had the privilege to open for Maynard Ferguson and his Big Bop Nouveau twice and has performed with trumpeter Pat Harbison, trombonist Bill Watrous, pianist Reggie Thomas and trombonist/ composer Brett Stamps. In the past the CJO has won grand champion in the 2002 Peach Bowl Festival. Recently the band won grand champion honors at the Outback Bowl in Tampa, FL. Concert Jazz Orchestra placed 2^nd at the Eastern Illinois University Jazz Festival and 1^st at the St. Charles West Jazz Festival. In addition to performing, Concert Jazz Orchestra is the host to an annual jazz festival during the spring semester which is in its fifth year and includes an average of about 20 bands. Most recently the CJO performed at the Illinois Music Educators Association All State Conference for 2009.