diff --git a/esphome/components/lock/__init__.py b/esphome/components/lock/__init__.py
index 8bf7af3de2..a96290dca6 100644
--- a/esphome/components/lock/__init__.py
+++ b/esphome/components/lock/__init__.py
@@ -88,6 +88,11 @@ def lock_schema(
     return _LOCK_SCHEMA.extend(schema)
 
 
+# Remove before 2025.11.0
+LOCK_SCHEMA = lock_schema()
+LOCK_SCHEMA.add_extra(cv.deprecated_schema_constant("lock"))
+
+
 async def _setup_lock_core(var, config):
     await setup_entity(var, config)
 
diff --git a/esphome/components/text/__init__.py b/esphome/components/text/__init__.py
index 39626c2c5c..1cc9283e45 100644
--- a/esphome/components/text/__init__.py
+++ b/esphome/components/text/__init__.py
@@ -83,6 +83,11 @@ def text_schema(
     return _TEXT_SCHEMA.extend(schema)
 
 
+# Remove before 2025.11.0
+TEXT_SCHEMA = text_schema()
+TEXT_SCHEMA.add_extra(cv.deprecated_schema_constant("text"))
+
+
 async def setup_text_core_(
     var,
     config,
diff --git a/esphome/components/update/__init__.py b/esphome/components/update/__init__.py
index a607aefea0..c2654520fd 100644
--- a/esphome/components/update/__init__.py
+++ b/esphome/components/update/__init__.py
@@ -81,6 +81,11 @@ def update_schema(
     return _UPDATE_SCHEMA.extend(schema)
 
 
+# Remove before 2025.11.0
+UPDATE_SCHEMA = update_schema()
+UPDATE_SCHEMA.add_extra(cv.deprecated_schema_constant("update"))
+
+
 async def setup_update_core_(var, config):
     await setup_entity(var, config)
 
diff --git a/esphome/components/valve/__init__.py b/esphome/components/valve/__init__.py
index 76ad76e8d0..f3c0353777 100644
--- a/esphome/components/valve/__init__.py
+++ b/esphome/components/valve/__init__.py
@@ -126,6 +126,11 @@ def valve_schema(
     return _VALVE_SCHEMA.extend(schema)
 
 
+# Remove before 2025.11.0
+VALVE_SCHEMA = valve_schema()
+VALVE_SCHEMA.add_extra(cv.deprecated_schema_constant("valve"))
+
+
 async def _setup_valve_core(var, config):
     await setup_entity(var, config)
 
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 993fcfac5b..88a805591d 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -2072,3 +2072,20 @@ def rename_key(old_key, new_key):
         return config
 
     return validator
+
+
+# Remove before 2025.11.0
+def deprecated_schema_constant(entity_type: str):
+    def validator(config):
+        _LOGGER.warning(
+            "Using `%s.%s_SCHEMA` is deprecated and will be removed in ESPHome 2025.11.0. "
+            "Please use `%s.%s_schema(...)` instead. "
+            "If you are seeing this, report an issue to the external_component author and ask them to update it.",
+            entity_type,
+            entity_type.upper(),
+            entity_type,
+            entity_type,
+        )
+        return config
+
+    return validator