\documentclass[12pt,letterpaper]{article}
%sets the paper's header
\newcommand{\sethead}[4]{
\lhead{\textit{#1}}
\rhead{#2\\#3\\#4\\\today}
}
\usepackage[utf8]{inputenc}
%headings
\usepackage{fancyhdr}
%double-space
\usepackage{setspace}
%variable margins
\usepackage{geometry}
%make the margins a bit less ridiculous
\newgeometry{top=1in,bottom=1.5in,left=1in,right=1in}
%images
\usepackage{graphicx}
\pagestyle{fancy}
\begin{document}
%ragged right with paragraph indents
\newlength{\saveparindent}
\setlength{\saveparindent}{\parindent}
\raggedright
\setlength{\parindent}{\saveparindent}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% I M P O R T A N T : %%
%% please remember to set the header to reflect %%
%% the class that you're writing for! %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\sethead{Paper Title}{Your Name}{Class Name}{Teacher Name}
%spacing
\doublespacing
\begin{center}
%necessary spacing between the header and the body
\end{center}
%Paper goes here!
\end{document}
