A World War II-era cattle car replica is parked outside Swampscott High School this week as the Hate Ends Now Tour educates students on the atrocities of the Holocaust.Hate Ends Now is a collaboration between ShadowLight and Southern NCSY that aims to combat antisemetism, and all forms of bigotry through holocaust education. Its cattle car tour offers a 360-degree immersive experience meant to depict holocaust victims’ transition from being a human being to becoming a number.The 10-foot cattle car will remain parked outside the school until Thursday and will be open to the public Wednesday night from 6 p.m. until 8 p.m.