New Delhi, Dec. 28 -- Milwaukee Public Schools spent 10 months fixing lead-based paint hazards in nearly 100 elementary schools. The move comes after a student was found with lead poisoning linked to school exposure.

Most of these old buildings had peeling lead paint on walls, windows and radiators. It created dangerous dust for young children. The problem was traced to years of reduced maintenance staff and ageing infrastructure.

The district launched a massive $43 million project to scrape off old paint, clean all dust and seal surfaces with special primer. The schools have been repainted with safe, lead-free paint.

The city briefly lost support from the US Centers for Disease Control and Prevention in April because of national staff...