Studies about how schools improve indicate that the process of improvement happens simultaneously on two levels: the individual teacher level and the level of the school as an organization. Staff development, networking, and problem-centered activities are current approaches found promising for school improvement. (Author/MLF)

For three years, Center for Problem-Based Learning at Illinois Mathematics and Science Academy has been developing innovative programs in various K-12 settings. Students meet an "ill-structured problem" (like thorium waste) before receiving instruction. Teachers act as coaches and tutors, probing findings, hypotheses, and conclusions;…