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Inside SeriesConcept-Based Inquiry

How Many in a Class

Class size decides both quality and profit, and they pull in opposite directions.

Who this book is for

Chủ trung tâm và quản lý học vụ ở Việt Nam, trung tâm tiếng Anh, luyện thi, kỹ năng, tin học, năng khiếu, cùng giáo viên tự mở lớp; quy mô từ hai phòng học tới ba cơ sở.

Sound familiar?

  • Class size is set by the number of desks in the room, not by the subject and level.
  • Adds a student to a full class as a favour to someone known.
  • Mixed-level classes force teaching to the middle, where nobody actually is.
  • Doesn't know how many students a class needs to break even.

After reading, you can

Help a centre choose class size by numbers, not by habit or available desks.

Each chapter answers one question

  1. Chapter 1: Is a class running smoothly also a class breaking even?

    How many students does one of my classes need to break even?

    Every class has a size below which it loses money, and most centres have never calculated it.

  2. Chapter 2: Does one more learner add revenue or subtract quality?

    At the current class size, how many minutes of teacher attention does each student get?

    Adding one person to a class does not just add a seat; it takes a share of everyone else's time.

  3. Chapter 3: In a mixed-level class, who is the teaching for?

    On what basis are my students placed into classes?

    Mixed-level classes make teachers teach to the middle, and nobody is in the middle.

  4. Chapter 4: Who pays when one more learner is squeezed in?

    When an acquaintance refers someone into a full class, what is my rule?

    One extra student accepted out of politeness is a price the whole class pays, and the weakest student pays most.

  5. Chapter 5: Are premium one-to-one classes worth what they take?

    Which strategy are my one-to-one classes serving?

    One-to-one classes command high prices but do not scale, and they consume the best teacher's hours.