The president of the Association of Classical Christian Schools gets basic teachings of Jesus wrong, to avoid acknowledging that a foreigner right in front of him could be the "neighbor" that Christ commands him to love.
And your story might be more of a Sunday school myth. The Samaritans were not foreigners, they were cousins of the Jews. If Jesus had wanted to imply total outsiders in the parable, he would have started "But a Roman, as he journeyed, came to where he was and..." or, "But an Ethiopian," or "But a Cretian," He literally chose their neighbors who lived along side them in Israel and had for centuries, even though there were plenty of other hated, true outsiders who Jews interacted with every day. Let's interpret scripture rather than make it say what we want it to say.