A Classy Affair

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Across
  1. 1. Taught by an expert
  2. 3. Of outstanding quality
  3. 5. Blue collar
  4. 7. Like prom only for old people
  5. 8. More legroom on the plane
  6. 9. Free drinks on the plane
  7. 11. The best anywhere
  8. 12. Top social caste
Down
  1. 2. Bleichner's domain
  2. 4. Funny kid
  3. 6. Veblen's invention
  4. 10. Valedictorian