School

1. school bag

1.1. notebook

1.2. book

1.3. pen

1.4. eraser

1.5. ruler

1.6. pencil-box

2. lesson

2.1. bell

2.2. break

3. timetable

4. subjects

4.1. maths

4.2. biology

4.3. literature

4.4. physics

5. teacher

5.1. pointer

6. pupil

6.1. homework

6.1.1. mark

7. campus

7.1. classroom

7.1.1. globe

7.1.2. chalk

7.1.3. desk

7.2. library