Templates

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[margin=1in]{geometry}
\usepackage{fancyhdr}
\usepackage{lastpage}

% line spacing
\usepackage{setspace}
\onehalfspacing

\setlength{\parskip}{\baselineskip}%paragraph spacing

\newcommand{\HRule}{\rule{\linewidth}{0.5mm}}
\newcommand{\Hrule}{\rule{\linewidth}{0.3mm}}

\makeatletter
\newcommand*\uni{%
   \@ifnextchar\bgroup
      {\gdef\@uni}%
      {\@uni}%
}
\newcommand*\program{%
   \@ifnextchar\bgroup
      {\gdef\@program}%
      {\@program}%
}
\renewcommand{\@maketitle}{%
  \parindent=0pt% don't indent paragraphs in the title block
  \centering
  {\LARGE \bfseries{\@author}}
  \par
  \@title \hfill \@uni, \@program\\
  \vspace{-2ex}
  \HRule
  \par
}
\makeatother


\title{Academic Statement of Purpose}
\author{Author name}
\uni{University}
\program{Degree in Department}

\makeatletter
\let\runauthor\@author %make a copy
\fancypagestyle{plain}{%
  \renewcommand{\headrulewidth}{0pt}%
  \renewcommand{\footrulewidth}{0.4pt}
  \fancyhf{}%
  \fancyfoot[C]{\footnotesize Statement of Purpose - \runauthor \hfill Page \thepage\ of \pageref{LastPage}}%
}
\pagestyle{plain}% Set page style to plain.
\makeatother

\begin{document}

\maketitle


\end{document}