documentclass[addpoints, 12pt]{exam}
usepackage{amsmath}
usepackage{graphicx}
usepackage{subcaption}
usepackage[nameinlink]{cleveref}

pagestyle{headandfoot}
firstpageheader{largebfseries Astronomy Exam\ bigskip
largebfseries Last Name:enspacemakebox[1.9in]{hrulefill}}
{}
{largebfseries Univ ID: makebox[2in]{hrulefill} \  bigskip
 largebfseries First Name:enspacemakebox[2in]{hrulefill}}
runningheader{largebfseries Last Name:enspacemakebox[1.9in]{hrulefill}}
{}
{largebfseries First Name:enspacemakebox[2in]{hrulefill}}
firstpagefooter{}{}{}
runningfooter{}{thepage}{}

begin{document}

begin{center}
fbox{fbox{parbox{5.5in}{centering
Answer the questions in the spaces provided on the
answer sheets.}}}
end{center}

begin{questions}

question

newpage

begin{center}
fbox{fbox{parbox{5.5in}{centering
Answer the questions in the spaces provided on the
answer sheets.}}}
end{center}

question
end{questions}

end{document}