diff --git a/src/ui/mod.rs b/src/ui/mod.rs
index f77092d..ba51e35 100644
--- a/src/ui/mod.rs
+++ b/src/ui/mod.rs
@@ -12,6 +12,8 @@ mod setup_test;
 #[cfg(test)]
 mod curriculum_test;
 pub mod systems;
+#[cfg(test)]
+mod systems_test;
 pub mod target;
 
 use bevy::prelude::*;
diff --git a/src/ui/systems_test.rs b/src/ui/systems_test.rs
new file mode 100644
index 0000000..e9fed60
--- /dev/null
+++ b/src/ui/systems_test.rs
@@ -0,0 +1,52 @@
+#[cfg(test)]
+mod tests {
+    use bevy::prelude::*;
+    use crate::ui::systems::*;
+    use crate::resources::*;
+    use crate::components::*;
+
+    #[test]
+    fn test_sync_curriculum_ui_labels() {
+        let mut app = App::new();
+
+        app.insert_resource(CurriculumState::default());
+
+        app.add_systems(Update, sync_curriculum_ui_labels);
+
+        // create entities with the correct text and marker components
+        let grade_entity = app.world_mut().spawn((
+            Text::new(""),
+            ParentButton(std::marker::PhantomData::<CurriculumGradeButton>),
+        )).id();
+
+        let doc_entity = app.world_mut().spawn((
+            Text::new(""),
+            ParentButton(std::marker::PhantomData::<CurriculumDocumentButton>),
+        )).id();
+
+        let page_entity = app.world_mut().spawn((
+            Text::new(""),
+            CurriculumPageText,
+        )).id();
+
+        app.update();
+
+        // Validate defaults
+        assert_eq!(app.world().get::<Text>(grade_entity).unwrap().0, "Grade: Niveau 1.1");
+        assert_eq!(app.world().get::<Text>(doc_entity).unwrap().0, "Doc: Passage de Grade 1.1");
+        assert_eq!(app.world().get::<Text>(page_entity).unwrap().0, "Page: -- / --");
+
+        // Mutate CurriculumState
+        let mut state = app.world_mut().resource_mut::<CurriculumState>();
+        state.selected_grade = Some("Niveau 1.2".to_string());
+        state.selected_document = Some("Passage de grade 1.2".to_string());
+        state.current_page = 2;
+        state.pages = vec![Handle::default(), Handle::default(), Handle::default(), Handle::default()];
+
+        app.update();
+
+        assert_eq!(app.world().get::<Text>(grade_entity).unwrap().0, "Grade: Niveau 1.2");
+        assert_eq!(app.world().get::<Text>(doc_entity).unwrap().0, "Doc: Passage de grade 1.2");
+        assert_eq!(app.world().get::<Text>(page_entity).unwrap().0, "Page: 3 / 4");
+    }
+}