diff --git a/core/lib/Drupal/Core/Config/ConfigInstaller.php b/core/lib/Drupal/Core/Config/ConfigInstaller.php
index dc4f3b9..d7294b8 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstaller.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstaller.php
@@ -82,6 +82,11 @@ public function installDefaultConfig($type, $name) {
     // enabled extensions.
     $config_dir = drupal_get_path($type, $name) . '/config';
     if (is_dir($config_dir)) {
+      if (is_dir($config_dir . '/schema')) {
+        // Refresh the schema cache if installing default configuration and the
+        // extension has a configuration schema directory.
+        $this->typedConfig->clearCachedDefinitions();
+      }
       $default_storage = new FileStorage($config_dir);
       $other_module_config = array_filter($default_storage->listAll(), function ($value) use ($name) {
         return !preg_match('/^' . $name . '\./', $value);
diff --git a/core/lib/Drupal/Core/Config/Schema/SchemaStorage.php b/core/lib/Drupal/Core/Config/Schema/SchemaStorage.php
index 171f30a..f3a689c 100644
--- a/core/lib/Drupal/Core/Config/Schema/SchemaStorage.php
+++ b/core/lib/Drupal/Core/Config/Schema/SchemaStorage.php
@@ -7,13 +7,13 @@
 
 namespace Drupal\Core\Config\Schema;
 
-use Drupal\Core\Config\InstallStorage;
+use Drupal\Core\Config\ExtensionInstallStorage;
 use Drupal\Core\Config\StorageException;
 
 /**
  * Defines the file storage controller for metadata files.
  */
-class SchemaStorage extends InstallStorage {
+class SchemaStorage extends ExtensionInstallStorage {
 
   /**
    * Implements \Drupal\Core\Config\StorageInterface::exists().
@@ -56,4 +56,26 @@ public function rename($name, $new_name) {
     throw new StorageException('Rename operation is not allowed for config schema storage.');
   }
 
+  /**
+   * Returns a map of all config object names and their folders.
+   *
+   * The list is based on enabled modules and themes.
+   *
+   * @return array
+   *   An array mapping config object names with directories.
+   */
+  protected function getAllFolders() {
+    if (empty($this->folders)) {
+      parent::getAllFolders();
+
+      // Ensure that the system schema are available as the base types used by
+      // all config schema are defined here.
+      if (!isset($this->folders['system.schema'])) {
+        $this->folders += $this->getComponentNames('module', array('system'));
+      }
+
+    }
+    return $this->folders;
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Config/TypedConfigManagerInterface.php b/core/lib/Drupal/Core/Config/TypedConfigManagerInterface.php
index 58a8850..b990c8b 100644
--- a/core/lib/Drupal/Core/Config/TypedConfigManagerInterface.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManagerInterface.php
@@ -7,12 +7,15 @@
 
 namespace Drupal\Core\Config;
 
+use Drupal\Component\Plugin\Discovery\CachedDiscoveryInterface;
+use Drupal\Component\Plugin\PluginManagerInterface;
+
 /**
  * Defines an interface for typed configuration manager.
  *
  * @package Drupal\Core\Config
  */
-Interface TypedConfigManagerInterface {
+Interface TypedConfigManagerInterface extends PluginManagerInterface, CachedDiscoveryInterface {
 
   /**
    * Checks if the configuration schema with the given config name exists.
@@ -24,4 +27,5 @@
    *   TRUE if configuration schema exists, FALSE otherwise.
    */
   public function hasConfigSchema($name);
+
 }
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigInstallTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigInstallTest.php
index 992c1bd..18e6a13 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigInstallTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigInstallTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\config\Tests\ConfigInstallTest.
+ * Contains \Drupal\config\Tests\ConfigInstallTest.
  */
 
 namespace Drupal\config\Tests;
@@ -42,10 +42,17 @@ function testModuleInstallation() {
     $config = \Drupal::config($default_configuration_entity);
     $this->assertIdentical($config->isNew(), TRUE);
 
+    // Ensure that schema provided by modules that are not installed is not
+    // available.
+    $this->assertFalse(\Drupal::service('config.typed')->hasConfigSchema('config_test.schema_in_install'), 'Configuration schema for config_test.schema_in_install does not exist.');
+
     // Install the test module.
     $this->enableModules(array('config_test'));
     $this->installConfig(array('config_test'));
 
+    // After module installation the new schema should exist.
+    $this->assertTrue(\Drupal::service('config.typed')->hasConfigSchema('config_test.schema_in_install'), 'Configuration schema for config_test.schema_in_install exists.');
+
     // Verify that default module config exists.
     \Drupal::configFactory()->reset($default_config);
     \Drupal::configFactory()->reset($default_configuration_entity);
@@ -62,5 +69,10 @@ function testModuleInstallation() {
     $this->assertFalse(isset($GLOBALS['hook_config_test']['update']));
     $this->assertFalse(isset($GLOBALS['hook_config_test']['predelete']));
     $this->assertFalse(isset($GLOBALS['hook_config_test']['delete']));
+
+    // Ensure that data type casting is applied during config installation.
+    $config = \Drupal::config('config_test.schema_in_install');
+    $this->assertIdentical($config->get('integer'), 1);
+
   }
 }
diff --git a/core/modules/config/tests/config_test/config/config_test.schema_in_install.yml b/core/modules/config/tests/config_test/config/config_test.schema_in_install.yml
new file mode 100644
index 0000000..41badc1
--- /dev/null
+++ b/core/modules/config/tests/config_test/config/config_test.schema_in_install.yml
@@ -0,0 +1 @@
+integer: '1'
\ No newline at end of file
diff --git a/core/modules/config/tests/config_test/config/schema/config_test.schema.yml b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
index 597e9f7..48cc244 100644
--- a/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
+++ b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
@@ -131,3 +131,11 @@ config_test.schema_data_types:
       type: sequence
       sequence:
         - type: boolean
+
+config_test.schema_in_install:
+  label: 'Schema test data with parenting'
+  type: mapping
+  mapping:
+    integer:
+      type: integer
+      label: 'Integer'
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
index 3c9c833..c159fea 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateActionConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateActionConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('action');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
index d3cc6a5..99a1539 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateAggregatorConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateAggregatorConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('aggregator');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
index 8e52d10..8c3f778 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateBookConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateBookConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('book');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
index 7eb7788..a1fdb44 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateContactConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateContactConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('contact');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
index c761b21..f2b9cf8 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateDblogConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateDblogConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('dblog');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
index 2422c4e..7fa89e1 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFileConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateFileConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('file');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
index c492a09..2bd373c 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateForumConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateForumConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('forum');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
index ff058db..2bdb641 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateLocaleConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateLocaleConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('locale');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
index ebd83e5..5c59441 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateMenuConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateMenuConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('menu');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
index 414296f..3114d3a 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSearchConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateSearchConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('search');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
index 8a6fd1e..513eb42 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSimpletestConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateSimpletestConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('simpletest');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
index 15da7f1..2523481 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateStatisticsConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateStatisticsConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('statistics');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
index 1f29060..31afa2c 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateSyslogConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateSyslogConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('syslog');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
index e21e8c4..68a7e46 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTaxonomyConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateTaxonomyConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('taxonomy');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
index ad96394..b018dc8 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateTextConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateTextConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('text');
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
index d35ba9a..2fe40d2 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateUpdateConfigsTest.php
@@ -16,6 +16,8 @@
  */
 class MigrateUpdateConfigsTest extends MigrateDrupalTestBase {
 
+  public static $modules = array('update');
+
   /**
    * {@inheritdoc}
    */