eduadmin_id is optional

data/db/schema.mysql.sql

@@ -364,7 +364,7 @@ CREATE TABLE `school` (
   `schooltype_id` int(11) unsigned NOT NULL,
   `prefecture_id` int(11) unsigned NOT NULL,
   `educationlevel_id` int(11) unsigned NOT NULL,
-  `eduadmin_id` int(11) unsigned NOT NULL,
+  `eduadmin_id` int(11) unsigned DEFAULT NULL,
   `created` int(11) unsigned NOT NULL,
   `creator` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
   `registry_no` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,

module/schools/data/schema.mysql.sql

@@ -300,7 +300,7 @@ CREATE TABLE `school` (
   `schooltype_id` int(11) unsigned NOT NULL,
   `prefecture_id` int(11) unsigned NOT NULL,
   `educationlevel_id` int(11) unsigned NOT NULL,
-  `eduadmin_id` int(11) unsigned NOT NULL,
+  `eduadmin_id` int(11) unsigned DEFAULT NULL,
   `created` int(11) unsigned NOT NULL,
   `creator` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
   `registry_no` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,

module/schools/src/InputFilter/School.php

@@ -91,7 +91,7 @@ class School
             ]));
 
         $municipality = new Input('municipality');
-        $municipality->setRequired(true)
+        $municipality->setRequired(false)
             ->getFilterChain()
             ->attach(new Filter\StripTags())
             ->attach(new Filter\StringTrim());
@@ -112,10 +112,10 @@ class School
             ->attach(new Filter\ToInt());
 
         $eduadminId = new Input('eduadmin_id');
-        $eduadminId->setRequired(true)
+        $eduadminId->setRequired(false)
             ->getFilterChain()
             ->attach(new Filter\ToInt());
-
+        
         $creator = new Input('creator');
         $creator->setRequired(true)
             ->getValidatorChain()