Good morning, Rockville.

Rockville Antique and Classic Car Show is scheduled for Saturday from 11 a.m. to 3:30 p.m. at Glenview Mansion at Rockville Civic Park, featuring classic cars, live music, and food vendors (admission is free).

A CSX train derailed in Rockville on Monday afternoon near East Middle Lane & Hungerford Drive, delaying MARC Brunswick Line trains for 15 to 25 minutes between Kensington and Rockville as no injuries or spills were reported and investigators work to determine the cause.

Christine Hubbard leads Poolesville Ghost Tours through Old Town Poolesville to share ghost stories and history (including a tale of a lost finger and a mysterious watcher) during hour-long walks starting at the John Poole House; tours will be offered at 7 p.m. and 9 p.m. on Oct.

23 and 24.

MCPS delayed its decision on expanding core content due to a state rule requiring math for sixty minutes — district leaders said no changes will affect electives next school year.

They will wait for state guidance and consult stakeholders before choosing how to adjust class time.

School districts in Montgomery County and Virginia are addressing falling student numbers, with Montgomery slated to discuss potential closures, consolidations & staff cuts today, as districts in Arlington, Fairfax and Loudoun adjust budgets and staffing.

Montgomery County’s Historic Preservation Commission supports a Parks Department plan to demolish the unsound 1823 log section of the Ziegler log house at Little Bennett Regional Park and rebuild it as a three-bedroom rental (commissioners suggest salvaging logs for an interpretive exhibit).

Chevy Chase-based sports cardiologist Ankit B.

Shah, founder of Sports + Performance Cardiology, has been named USA Swimming’s chief medical officer to help oversee medical care and return-to-sport decisions for national team athletes; he has worked with the organization since 2018.