wichita.edu
…teaching assistantships for the 2012-13 academic year, available to students in the Ph.D. programs require teaching one 5-hour course or two three hour courses per semester and pay $14,600 to $15,800 spread over 9 months. Summer teaching is available with additional stipends of up to $3,500. The GRE Suject test in Mathematics is recommended, but not…
https://www.wichita.edu/academics/fairmount_las/mathematics/mathstat/phdprog/phdfinancesupport.php