diff --git a/css/pages/_event.css b/css/pages/_event.css
index 2861c325..d5571f7d 100644
--- a/css/pages/_event.css
+++ b/css/pages/_event.css
@@ -151,8 +151,9 @@
 .msreg .ms-field { min-width: 0; }
 .msreg .ms-field select, .msreg .ms-field input { max-width: 100%; }
 
-/* "study plans" block (always visible, required) */
+/* "study plans" block (shown for students; hidden for parents / "other") */
 .msreg .ev-plans { margin-top: 24px; border: 1px solid #EAECF0; border-radius: 12px; background: #FBFCFD; padding: 4px 18px 20px; }
+.msreg .ev-plans[hidden] { display: none; }
 .msreg .ev-plans-title { font-size: 16px; font-weight: 700; color: #101828; margin: 16px 0 2px; }
 .msreg .ev-plans-lead { font-size: 13px; color: #98A2B3; margin: 0 0 6px; }
 .msreg .ev-subhead { font-size: 13px; font-weight: 700; color: #98A2B3; text-transform: uppercase; letter-spacing: 0.05em; margin: 20px 0 10px; }
diff --git a/event-register.js b/event-register.js
index 46f773fc..3ee57b98 100644
--- a/event-register.js
+++ b/event-register.js
@@ -61,6 +61,19 @@
         });
     });
 
+    /* ---- role gate: parents and "other" won't study, so hide the study-plans block ---- */
+    (function () {
+        var roleSel = form.querySelector('select[data-name="role"]');
+        var plans = form.querySelector('.ev-plans');
+        if (!roleSel || !plans) return;
+        function syncPlans() {
+            var r = roleSel.value;
+            plans.hidden = (r === 'parent' || r === 'other');
+        }
+        roleSel.addEventListener('change', syncPlans);
+        syncPlans();
+    })();
+
     /* ---- multi-select chip groups, if any (kept for compatibility) ---- */
     [].slice.call(form.querySelectorAll('.ms-multi')).forEach(function (group) {
         [].slice.call(group.querySelectorAll('.ms-chip')).forEach(function (chip) {
@@ -82,6 +95,7 @@
     function validate() {
         var ok = true;
         [].slice.call(form.querySelectorAll('[data-required="1"]')).forEach(function (el) {
+            if (el.closest('[hidden]')) return;   // fields hidden by conditional logic aren't required
             if (el.classList.contains('ms-radios')) { if (!el.querySelector('.ms-radio.is-selected')) ok = false; }
             else if (el.classList.contains('ms-multi')) { if (!el.querySelector('.ms-chip.is-selected')) ok = false; }
             else if (el.type === 'checkbox') { if (!el.checked) ok = false; }
@@ -95,7 +109,7 @@
         var d = {};
         [].slice.call(form.querySelectorAll('[data-name]')).forEach(function (el) {
             var name = el.getAttribute('data-name');
-            if (el.closest('.ev-cond') && el.closest('.ev-cond').hidden) return;   // skip hidden "Other" field
+            if (el.closest('[hidden]')) return;   // skip fields in hidden sections (conditional "Other", study plans for parents/others)
             if (el.classList.contains('ms-radios')) { var v = radioValue(name); if (v) d[name] = v; }
             else if (el.classList.contains('ms-multi')) {
                 var sel = [].slice.call(el.querySelectorAll('.ms-chip.is-selected')).map(function (c) { return c.getAttribute('data-value'); });