School business officials kept a close watch on the financial markets this week--and on district investment portfolios and teacher-retirement funds--as stock prices gyrated and once-sound institutions got government bailouts or crumbled into bankruptcy. While financial observers said it was too soon to predict how Wall Street's upheaval might…

Although the rules for public-employee pension funds vary, they operate under the same guidelines. Throughout their careers, teachers and other state and local employees contribute portions of their salaries into retirement funds managed by states and municipalities. In almost all cases, the employers also pitch in a percentage of the employees'…