19. Academic Calendar 20. Clinicians 21. Special Education Teachers 22. Itinerant Teachers 23. Classifications of Teachers 24. Summer School 25. Holidays 26. Personal Days 27. Class Coverage 28. Class Size 29. Employee Discipline 30. Student Discipline 31. Labor-Management Cooperation Committee 32...
3）这个classes 是指英语课（例如每天一次的45分钟的英语课）， 还是指英语课程=学科=subject?