\begin{tabular}{rrrr}
 \textit{Write} &\textit{Read}&\textit{Math}&\textit{Ses}\\
44&44&39&low\\
41&42&43&low\\
52&57&41&low\\
59&55&63&low\\
49&42&43&low\\
49&63&49&low\\
44&52&49&low\\
57&57&60&middle\\
59&50&42&middle\\
44&44&61&middle\\
49&63&35&middle\\
39&55&57&middle\\
59&68&58&middle\\
57&63&54&middle\\
33&34&41&middle\\
44&44&46&middle\\
31&42&57&middle\\
65&60&58&high\\
65&65&48&high\\
33&44&54&high\\
59&68&56&high\\
\end{tabular}