diff --git a/CHANGELOG.md b/CHANGELOG.md
index db1999b6..57191b03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 
 ### Fixed
 
+* fix: scope module asset loading to relevant pages only by @GaryJones in [#858](https://github.com/Automattic/Edit-Flow/pull/858)
 * fix: allow text selection in calendar overlay without triggering drag by @GaryJones in [#857](https://github.com/Automattic/Edit-Flow/pull/857)
 * fix: update post date to current time when publishing from custom status by @GaryJones in [#856](https://github.com/Automattic/Edit-Flow/pull/856)
 * fix: resolve calendar drag-and-drop not persisting post date changes by @GaryJones in [#854](https://github.com/Automattic/Edit-Flow/pull/854)
diff --git a/common/php/class-module.php b/common/php/class-module.php
index c8626b56..00668bd7 100644
--- a/common/php/class-module.php
+++ b/common/php/class-module.php
@@ -372,16 +372,44 @@ protected function print_ajax_response( $status, $message = '', $http_code = 200
 		}
 
 		/**
-		 * Whether or not the current page is a user-facing Edit Flow View
-		 * @todo Think of a creative way to make this work
+		 * Whether or not the current page is a post management page.
+		 *
+		 * A post management page is where the module's functionality is actually
+		 * needed, such as post editing pages (post.php, post-new.php) or post listing
+		 * pages (edit.php) for supported post types.
 		 *
 		 * @since 0.7
+		 * @since 0.10.0 Actually implemented instead of returning true. Renamed from
+		 *               is_whitelisted_functional_view().
 		 *
-		 * @param string $module_name (Optional) Module name to check against
+		 * @see https://github.com/Automattic/Edit-Flow/issues/351
+		 *
+		 * @param string $module_name (Optional) Module name to check against.
+		 * @return bool Whether the current page is a post management page for the module.
 		 */
-		public function is_whitelisted_functional_view( $module_name = null ) {
+		public function is_post_management_page( $module_name = null ) {
+			global $pagenow, $edit_flow;
+
+			// Only load on post editing and listing pages.
+			$functional_pages = [ 'post.php', 'post-new.php', 'edit.php' ];
+			if ( ! in_array( $pagenow, $functional_pages, true ) ) {
+				return false;
+			}
+
+			// Get the current post type.
+			$current_post_type = $this->get_current_post_type();
+			if ( ! $current_post_type ) {
+				return false;
+			}
 
-			// @todo complete this method
+			// If a module name is specified, check if this post type is supported by that module.
+			if ( $module_name && isset( $edit_flow->modules->$module_name ) ) {
+				$module = $edit_flow->modules->$module_name;
+				$supported_post_types = $this->get_post_types_for_module( $module );
+				if ( ! in_array( $current_post_type, $supported_post_types, true ) ) {
+					return false;
+				}
+			}
 
 			return true;
 		}
diff --git a/modules/notifications/notifications.php b/modules/notifications/notifications.php
index 220bee18..658edd50 100644
--- a/modules/notifications/notifications.php
+++ b/modules/notifications/notifications.php
@@ -194,7 +194,7 @@ public function register_taxonomies() {
 		public function enqueue_admin_scripts() {
 			global $post;
 
-			if ( $this->is_whitelisted_functional_view() ) {
+			if ( $this->is_post_management_page( $this->module->name ) ) {
 				wp_enqueue_script( 'jquery-listfilterizer' );
 				wp_enqueue_script( 'edit-flow-notifications-js', $this->module_url . 'lib/notifications.js', [ 'jquery', 'jquery-listfilterizer' ], EDIT_FLOW_VERSION, true );
 
@@ -232,7 +232,7 @@ public function enqueue_admin_scripts() {
 		 */
 		public function enqueue_admin_styles() {
 
-			if ( $this->is_whitelisted_functional_view() || $this->is_whitelisted_settings_view() ) {
+			if ( $this->is_post_management_page( $this->module->name ) || $this->is_whitelisted_settings_view( $this->module->name ) ) {
 				wp_enqueue_style( 'jquery-listfilterizer' );
 				wp_enqueue_style( 'edit-flow-notifications-css', $this->module->module_url . 'lib/notifications.css', false, EDIT_FLOW_VERSION );
 			}
diff --git a/modules/user-groups/user-groups.php b/modules/user-groups/user-groups.php
index 0e9453e7..ad9b0d13 100644
--- a/modules/user-groups/user-groups.php
+++ b/modules/user-groups/user-groups.php
@@ -229,7 +229,7 @@ public function register_usergroup_objects() {
 		 */
 		public function enqueue_admin_scripts() {
 
-			if ( $this->is_whitelisted_functional_view() || $this->is_whitelisted_settings_view( $this->module->name ) ) {
+			if ( $this->is_post_management_page( $this->module->name ) || $this->is_whitelisted_settings_view( $this->module->name ) ) {
 				wp_enqueue_script( 'jquery-listfilterizer' );
 				wp_enqueue_script( 'edit-flow-user-groups-js', $this->module_url . 'lib/user-groups.js', array( 'jquery', 'jquery-listfilterizer' ), EDIT_FLOW_VERSION, true );
 			}
@@ -249,7 +249,7 @@ public function enqueue_admin_scripts() {
 		public function enqueue_admin_styles() {
 
 
-			if ( $this->is_whitelisted_functional_view() || $this->is_whitelisted_settings_view() ) {
+			if ( $this->is_post_management_page( $this->module->name ) || $this->is_whitelisted_settings_view( $this->module->name ) ) {
 				wp_enqueue_style( 'jquery-listfilterizer' );
 				wp_enqueue_style( 'edit-flow-user-groups-css', $this->module_url . 'lib/user-groups.css', false, EDIT_FLOW_VERSION );
 			}
diff --git a/tests/Integration/ModuleAssetScopingTest.php b/tests/Integration/ModuleAssetScopingTest.php
new file mode 100644
index 00000000..c44506e3
--- /dev/null
+++ b/tests/Integration/ModuleAssetScopingTest.php
@@ -0,0 +1,208 @@
+<?php
+/**
+ * Tests for scoped module asset loading.
+ *
+ * @package Automattic\EditFlow\Tests\Integration
+ * @see https://github.com/Automattic/edit-flow/issues/351
+ */
+
+declare( strict_types=1 );
+
+namespace Automattic\EditFlow\Tests\Integration;
+
+use EF_Module;
+use Yoast\WPTestUtils\WPIntegration\TestCase;
+
+/**
+ * Test that is_post_management_page() properly scopes asset loading.
+ *
+ * Module assets should only load on pages where the module functionality is needed,
+ * not on every admin page.
+ */
+class ModuleAssetScopingTest extends TestCase {
+
+	protected static $admin_user_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$admin_user_id = $factory->user->create( array( 'role' => 'administrator' ) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		self::delete_user( self::$admin_user_id );
+	}
+
+	protected function setUp(): void {
+		parent::setUp();
+		wp_set_current_user( self::$admin_user_id );
+	}
+
+	/**
+	 * Get a module instance for testing.
+	 *
+	 * @return EF_Module
+	 */
+	protected function get_test_module() {
+		global $edit_flow;
+		// Use notifications module as test subject since it uses is_post_management_page().
+		return $edit_flow->notifications;
+	}
+
+	/**
+	 * Test that is_post_management_page returns false on dashboard.
+	 */
+	public function test_is_post_management_page_returns_false_on_dashboard() {
+		global $pagenow;
+		$pagenow = 'index.php';
+
+		$module = $this->get_test_module();
+		$this->assertFalse(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return false on dashboard'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns false on options page.
+	 */
+	public function test_is_post_management_page_returns_false_on_options() {
+		global $pagenow;
+		$pagenow = 'options-general.php';
+
+		$module = $this->get_test_module();
+		$this->assertFalse(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return false on options page'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns false on plugins page.
+	 */
+	public function test_is_post_management_page_returns_false_on_plugins() {
+		global $pagenow;
+		$pagenow = 'plugins.php';
+
+		$module = $this->get_test_module();
+		$this->assertFalse(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return false on plugins page'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns false on users page.
+	 */
+	public function test_is_post_management_page_returns_false_on_users() {
+		global $pagenow;
+		$pagenow = 'users.php';
+
+		$module = $this->get_test_module();
+		$this->assertFalse(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return false on users page'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns true on post edit page.
+	 */
+	public function test_is_post_management_page_returns_true_on_post_edit() {
+		global $pagenow, $typenow;
+		$pagenow = 'post.php';
+		$typenow = 'post';
+
+		$module = $this->get_test_module();
+		$this->assertTrue(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return true on post.php'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns true on new post page.
+	 */
+	public function test_is_post_management_page_returns_true_on_post_new() {
+		global $pagenow, $typenow;
+		$pagenow = 'post-new.php';
+		$typenow = 'post';
+
+		$module = $this->get_test_module();
+		$this->assertTrue(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return true on post-new.php'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns true on posts list page.
+	 */
+	public function test_is_post_management_page_returns_true_on_edit() {
+		global $pagenow, $typenow;
+		$pagenow = 'edit.php';
+		$typenow = 'post';
+
+		$module = $this->get_test_module();
+		$this->assertTrue(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return true on edit.php'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page returns true on page edit page.
+	 */
+	public function test_is_post_management_page_returns_true_on_page_edit() {
+		global $pagenow, $typenow;
+		$pagenow = 'post.php';
+		$typenow = 'page';
+
+		$module = $this->get_test_module();
+		$this->assertTrue(
+			$module->is_post_management_page(),
+			'is_post_management_page() should return true on post.php for pages'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page respects module-specific post types.
+	 */
+	public function test_is_post_management_page_respects_module_post_types() {
+		global $pagenow, $typenow, $edit_flow;
+
+		// Register a custom post type that's NOT supported by the module.
+		register_post_type( 'unsupported_cpt', array( 'public' => true ) );
+
+		$pagenow = 'post.php';
+		$typenow = 'unsupported_cpt';
+
+		$module = $this->get_test_module();
+
+		// When passing module name, it should check if post type is supported.
+		$result = $module->is_post_management_page( $module->module->name );
+
+		// Clean up.
+		unregister_post_type( 'unsupported_cpt' );
+
+		$this->assertFalse(
+			$result,
+			'is_post_management_page() should return false for unsupported post types when module name is passed'
+		);
+	}
+
+	/**
+	 * Test that is_post_management_page without module name still works on supported post types.
+	 */
+	public function test_is_post_management_page_without_module_name() {
+		global $pagenow, $typenow;
+		$pagenow = 'post.php';
+		$typenow = 'post';
+
+		$module = $this->get_test_module();
+
+		// Without module name, it should just check the page type.
+		$this->assertTrue(
+			$module->is_post_management_page(),
+			'is_post_management_page() without module name should return true on post edit pages'
+		);
+	}
+}