📝 Executive Summary
Moody's downgraded the Los Angeles Unified School District's credit rating, citing persistent enrollment declines that weaken its revenue base. The downgrade raises the district's borrowing costs and could signal broader fiscal stress for large urban school districts. Municipal bond investors are likely to demand higher yields on similar credits, with the iShares National Muni Bond ETF (MUB) potentially facing short-term headwinds from the negative credit momentum.