diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 5ade895..d415782 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -91,3 +91,11 @@ jobs:
         # explicitly ignore docstring errors (start with D)
         git diff "refs/remotes/${BASE_REPO_OWNER}/${BASE_REF}" -- | flake8 . --count --statistics --diff --extend-ignore D
     ####################################################################
+
+  schemas_load:
+    runs-on: ubuntu-18.04
+
+    steps:
+      - name: Check schemas
+        run: |
+          scripts/check-schemas-load.py