fix school year and enrollment steps

app/Views/parent/financial_aid.php

@@ -58,7 +58,7 @@
         </div>
     <?php endif; ?>
 
-    <?php if (empty($openRequest)): ?>
+    <?php if (empty($existingRequest)): ?>
         <form method="post" action="<?= site_url('parent/financial-aid') ?>" class="border rounded p-3 bg-light">
             <?= csrf_field() ?>
             <div class="mb-3">
@@ -87,7 +87,11 @@
             <button class="btn btn-success" type="submit">Submit request</button>
         </form>
     <?php else: ?>
-        <div class="alert alert-info">You already have an open request. Administration will update it after review. Remember to bring recent pay stubs and last year’s tax return to the school office.</div>
+        <div class="alert alert-info">
+            You already submitted a financial aid application for <?= esc($schoolYear ?: 'this school year') ?>.
+            Parents can submit only one application per school year. Administration will update your request after review.
+            Remember to bring recent pay stubs and last year’s tax return to the school office.
+        </div>
     <?php endif; ?>
 </div>
 <?= $this->endSection() ?>