diff --git a/app/models/calEventValidator.js b/app/models/calEventValidator.js
index b14816dc..57cac8a3 100644
--- a/app/models/calEventValidator.js
+++ b/app/models/calEventValidator.js
@@ -119,6 +119,17 @@ function makeValidator(input, errors) {
         return validator.toBoolean(str) ? 1 : 0;
       }
     },
+    // requires a 0, 1, true, or false value; empty is an error
+    requiredFlag(field, msg) {
+      const str = getString(field);
+      if (validator.isEmpty(str)) {
+        errors.addError(field, msg);
+      } else if (!validator.isBoolean(str)) {
+        errors.addError(field);
+      } else {
+        return validator.toBoolean(str) ? 1 : 0;
+      }
+    },
     // if not specified, returns 0
     // otherwise expects an int-like value
     // greater than or equal to 0
@@ -215,7 +226,7 @@ function validateEvent(input) {
     address: v.requireString('address', 'Address missing'),
     name: v.requireString('organizer', 'Organizer missing'),
     email: v.requireEmail('email'),
-    hideemail: v.optionalFlag('hideemail'),
+    hideemail: v.requiredFlag('hideemail', 'Please select whether or not to publish your email address'),
     phone: v.nullString('phone'),
     hidephone: v.optionalFlag('hidephone'),
     contact: v.nullString('contact'),
diff --git a/site/themes/s2b_hugo_theme/layouts/partials/cal/edit.html b/site/themes/s2b_hugo_theme/layouts/partials/cal/edit.html
index 9fb6e7b6..ee3b5938 100644
--- a/site/themes/s2b_hugo_theme/layouts/partials/cal/edit.html
+++ b/site/themes/s2b_hugo_theme/layouts/partials/cal/edit.html
@@ -335,13 +335,17 @@ <h2>
               <input type="text" class="form-control" name="email" id="email" value="[[email]]" autocomplete="email" aria-describedby="email-help email-suggestion" required="true" aria-invalid="false" />
               <p class="input-help" id="email-help">This must be a valid email address where we can reach you. A confirmation message will be mailed to this address.</p>
               <div id="email-suggestion" aria-live="polite"></div>
+            </div>
 
-              <div>
-                <label class="control-label" for="hideemail">
-                  <input type="checkbox" name="hideemail" id="hideemail" value="1" [[^ id ]]checked[[/ id ]] [[# hideemail ]]checked[[/ hideemail ]] />
-                  Don't publish my email address online
-                </label>
-              </div>
+            <div class="form-group">
+              <label class="control-label req-label" for="hideemail">Publish email address online?</label>
+              <select class="form-control" name="hideemail" id="hideemail" required="true" aria-invalid="false" aria-describedby="hideemail-help hideemail-suggestion">
+                <option value="">Select one</option>
+                <option value="1" [[# hideemail ]]selected[[/ hideemail ]]>🚫 Don't publish my email address online</option>
+                <option value="0" [[# id ]][[^ hideemail ]]selected[[/ hideemail ]][[/ id ]]>✅ Do publish my email address online</option>
+              </select>
+              <p class="input-help" id="hideemail-help">This option chooses whether or not to publish your email address on the calendar.</p>
+              <div id="hideemail-suggestion" aria-live="polite"></div>
             </div>
 
             <div>Website for additional details</div>