This movie is being shown on Netflix as "Christmas Angel in the House".
The name Lange (the name of the foster home and its proprietor) is an anagram for angel.
The line "Up from the ashes... come the roses of success", and the character name Mr. Potts (who sung those lines) are from Chitty Chitty Bang Bang (1968).
Being shown on UP Channel as "Angel in the House".
This film is more commonly known as Angel In The House.