Parents claim the walking route from Portgordon to Buckie High School is unsafe for children.
The more than 4m long shark had washed up on a beach near Buckie in Moray.
The Scottish SPCA says the seal later died but might have survived if they could have helped earlier.
The Scottish Land Fund's support of £1m is described as a "game-changer" for plans at Langholm Moor.
Six appliances along with specialist resources were sent to Portgordon Maltings in Moray.
