diff --git a/common/test/acceptance/tests/discussion/test_discussion.py b/common/test/acceptance/tests/discussion/test_discussion.py
index f213038b0d..03c1fe356e 100644
--- a/common/test/acceptance/tests/discussion/test_discussion.py
+++ b/common/test/acceptance/tests/discussion/test_discussion.py
@@ -176,7 +176,7 @@ class DiscussionResponsePaginationTestMixin(BaseDiscussionMixin):
         self.assertFalse(self.thread_page.has_add_response_button())
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionHomePageTest(UniqueCourseTest):
     """
     Tests for the discussion home page.
@@ -203,7 +203,7 @@ class DiscussionHomePageTest(UniqueCourseTest):
         self.assertIsNotNone(self.page.new_post_form)
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionTabSingleThreadTest(BaseDiscussionTestCase, DiscussionResponsePaginationTestMixin):
     """
     Tests for the discussion page displaying a single thread
@@ -256,7 +256,7 @@ class DiscussionTabSingleThreadTest(BaseDiscussionTestCase, DiscussionResponsePa
         self.assertFalse(self.thread_page.is_show_comments_visible(response_id))
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionTabMultipleThreadTest(BaseDiscussionTestCase):
     """
     Tests for the discussion page with multiple threads
@@ -311,7 +311,7 @@ class DiscussionTabMultipleThreadTest(BaseDiscussionTestCase):
         self.thread_page_2.check_window_is_on_top()
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionOpenClosedThreadTest(BaseDiscussionTestCase):
     """
     Tests for checking the display of attributes on open and closed threads
@@ -360,7 +360,7 @@ class DiscussionOpenClosedThreadTest(BaseDiscussionTestCase):
         self.assertFalse(page._is_element_visible('.response_response1 .display-vote'))
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionCommentDeletionTest(BaseDiscussionTestCase):
     """
     Tests for deleting comments displayed beneath responses in the single thread view.
@@ -397,7 +397,7 @@ class DiscussionCommentDeletionTest(BaseDiscussionTestCase):
         page.delete_comment("comment_other_author")
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionResponseEditTest(BaseDiscussionTestCase):
     """
     Tests for editing responses displayed beneath thread in the single thread view.
@@ -491,7 +491,7 @@ class DiscussionResponseEditTest(BaseDiscussionTestCase):
         page.endorse_response('response_other_author')
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionCommentEditTest(BaseDiscussionTestCase):
     """
     Tests for editing comments displayed beneath responses in the single thread view.
@@ -574,7 +574,7 @@ class DiscussionCommentEditTest(BaseDiscussionTestCase):
         self.assertTrue(page.is_add_comment_visible("response1"))
 
 
-@attr('shard_1')
+@attr('shard_2')
 class InlineDiscussionTest(UniqueCourseTest, DiscussionResponsePaginationTestMixin):
     """
     Tests for inline discussions
@@ -733,7 +733,7 @@ class InlineDiscussionTest(UniqueCourseTest, DiscussionResponsePaginationTestMix
         self.assertFalse(self.additional_discussion_page._is_element_visible(".new-post-article"))
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionUserProfileTest(UniqueCourseTest):
     """
     Tests for user profile page in discussion tab.
@@ -862,7 +862,7 @@ class DiscussionUserProfileTest(UniqueCourseTest):
         self.assertTrue(learner_profile_page.field_is_visible('username'))
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionSearchAlertTest(UniqueCourseTest):
     """
     Tests for spawning and dismissing alerts related to user search actions and their results.
@@ -936,7 +936,7 @@ class DiscussionSearchAlertTest(UniqueCourseTest):
         ).wait_for_page()
 
 
-@attr('shard_1')
+@attr('shard_2')
 class DiscussionSortPreferenceTest(UniqueCourseTest):
     """
     Tests for the discussion page displaying a single thread.
diff --git a/common/test/acceptance/tests/lms/test_lms_edxnotes.py b/common/test/acceptance/tests/lms/test_lms_edxnotes.py
index 26908c9bd4..3bc66aa3da 100644
--- a/common/test/acceptance/tests/lms/test_lms_edxnotes.py
+++ b/common/test/acceptance/tests/lms/test_lms_edxnotes.py
@@ -1,6 +1,7 @@
 import os
 from uuid import uuid4
 from datetime import datetime
+from nose.plugins.attrib import attr
 from ..helpers import UniqueCourseTest
 from ...fixtures.course import CourseFixture, XBlockFixtureDesc
 from ...pages.lms.auto_auth import AutoAuthPage
@@ -117,6 +118,7 @@ class EdxNotesTestMixin(UniqueCourseTest):
         self.edxnotes_fixture.install()
 
 
+@attr('shard_4')
 class EdxNotesDefaultInteractionsTest(EdxNotesTestMixin):
     """
     Tests for creation, editing, deleting annotations inside annotatable components in LMS.
@@ -332,6 +334,7 @@ class EdxNotesDefaultInteractionsTest(EdxNotesTestMixin):
             self.assertTrue(note.has_sr_label(1, 3, "Tags (space-separated)"))
 
 
+@attr('shard_4')
 class EdxNotesPageTest(EventsTestMixin, EdxNotesTestMixin):
     """
     Tests for Notes page.
@@ -1001,6 +1004,7 @@ class EdxNotesPageTest(EventsTestMixin, EdxNotesTestMixin):
         self.assertFalse(note.is_visible)
 
 
+@attr('shard_4')
 class EdxNotesToggleSingleNoteTest(EdxNotesTestMixin):
     """
     Tests for toggling single annotation.
@@ -1069,6 +1073,7 @@ class EdxNotesToggleSingleNoteTest(EdxNotesTestMixin):
         self.assertTrue(note_2.is_visible)
 
 
+@attr('shard_4')
 class EdxNotesToggleNotesTest(EdxNotesTestMixin):
     """
     Tests for toggling visibility of all notes.
diff --git a/common/test/acceptance/tests/studio/test_studio_split_test.py b/common/test/acceptance/tests/studio/test_studio_split_test.py
index 18d10c3390..cedb89ed44 100644
--- a/common/test/acceptance/tests/studio/test_studio_split_test.py
+++ b/common/test/acceptance/tests/studio/test_studio_split_test.py
@@ -67,7 +67,7 @@ class SplitTestMixin(object):
         Promise(missing_groups_button_not_present, "Add missing groups button should not be showing.").fulfill()
 
 
-@attr('shard_1')
+@attr('shard_2')
 class SplitTest(ContainerBase, SplitTestMixin):
     """
     Tests for creating and editing split test instances in Studio.
@@ -200,7 +200,7 @@ class SplitTest(ContainerBase, SplitTestMixin):
         self.verify_groups(container, ['alpha'], [], verify_missing_groups_not_present=False)
 
 
-@attr('shard_1')
+@attr('shard_2')
 class GroupConfigurationsNoSplitTest(StudioCourseTest):
     """
     Tests how the Group Configuration page should look when the split_test module is not enabled.
@@ -225,7 +225,7 @@ class GroupConfigurationsNoSplitTest(StudioCourseTest):
         self.assertFalse(self.group_configurations_page.experiment_group_sections_present)
 
 
-@attr('shard_1')
+@attr('shard_2')
 class GroupConfigurationsTest(ContainerBase, SplitTestMixin):
     """
     Tests that Group Configurations page works correctly with previously
diff --git a/common/test/acceptance/tests/video/test_video_license.py b/common/test/acceptance/tests/video/test_video_license.py
index e07d49acb2..cd9fd929bb 100644
--- a/common/test/acceptance/tests/video/test_video_license.py
+++ b/common/test/acceptance/tests/video/test_video_license.py
@@ -12,7 +12,7 @@ from ...pages.lms.courseware import CoursewarePage
 from ...fixtures.course import XBlockFixtureDesc
 
 
-@attr('shard_1')
+@attr('shard_2')
 class VideoLicenseTest(StudioCourseTest):
     """
     Tests for video module-level licensing (that is, setting the license,