TASIS, session 2, final puzzle

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Across
  1. 1. number of people who write in a unique native alphabet
  2. 3. once in his name, twice in his country's name
  3. 5. one of the voices in yesterday;s concert
  4. 6. there is one such animal on campus: have you seen it?
  5. 9. where you live
  6. 10. the town where burgers, poundland, pizza and Doritos are
  7. 12. Your teachers's full, official name
  8. 15. meat and meatless ... in the kitchen
  9. 16. the common initial letters in three names
  10. 17. black birds that eat our leftovers on the lawn
  11. 18. Costas needs them when he works on the computer
Down
  1. 2. Costas maybe has a bit extra of this
  2. 4. where you stay
  3. 7. her name means steady, consistent, stable
  4. 8. good writing, but almost hieroglyphic and mysterious. Who?
  5. 11. twice in her name, once in her country's name
  6. 12. Your teacher's name
  7. 13. small, fast, cute nut-eating rodents
  8. 14. the two same letters in one word of the catchphrase of the session. Also, first and last letter in a cookie brand name.