By the Numbers.

3

The level of secondary-school English that I teach.

4

Number of English classes I teach each day
(on lunes, miercoles, y viernes).
(That is, Monday, Wednesday, and Friday.)

43
Students that are MINE for theses classes.

(Averaging 10 in each class.)

30
Approximate number of other students I interact with in the "homework help" and "conversation" classes

(on martes y jueves). (Or, Tuesday and Thursday.)

2.5

Nights each week when there is an extra event.

(Monday night is Bible study and Friday night is youth group. 
The ".5" is for Tuesday, which is movie night, 

but I only count this as half, because I only go half the time.)