Calvin would like to wear baggy, torn jeans and a nose ring, but he is concerned that others will disapprove. calvin is at kohlberg's level of morality.

The answer is conventional level of morality.
In conventional level, we will begin to put the values that imposed by society and adults into consideration for all of our actions.
On average, people entered this level of morality when we enter our late adolescence or early adulthood.