I all depends on what your essay is sbout.
Dick or Civil Disobedience ?
drinking age is not good for your health.
A Permanent Solution for a Temporary Problem
EVERYONE DIES. Oh... Spoiler alert. Everyone dies.
If you are writing something else and referring to an essay you have written, you would put the title of that essay in quotation marks, but the title at the top of your essay (like the title of any document) should not have quotation marks.
Cruel Justice
Dick or Civil Disobedience ?
Protecting Mother Earth
Clash of the 'tators
Amazing Egyptian gods.
drinking age is not good for your health.
the way the universe was made to be what it is today
The Social Networking War
A Permanent Solution for a Temporary Problem
the boss
Analyzing the Variety of Dormitory Life
i think a cool title would be : Elementary my dear Watson!