mwe.tex

\documentclass{article} 
\usepackage[top=0.25in, bottom=0.75in, left=0.5in, right=0.5in]{geometry} 
\usepackage{cornellNotes}

\begin{document} 

\renewcommand{\cornellNotesSubject}{Example class}
\renewcommand{\cornellNotesDate}{\today}
\cornellNotesPacket[1]{6}

\end{document}