diff --git a/openapi_core/schema/schemas/models.py b/openapi_core/schema/schemas/models.py
index d0b0504..22a79eb 100644
--- a/openapi_core/schema/schemas/models.py
+++ b/openapi_core/schema/schemas/models.py
@@ -243,6 +243,7 @@ class Schema(object):
 
     def get_validator_mapping(self):
         mapping = {
+            SchemaType.ARRAY: self._validate_collection,
             SchemaType.OBJECT: self._validate_object,
         }
 
@@ -270,6 +271,12 @@ class Schema(object):
 
         return value
 
+    def _validate_collection(self, value):
+        if self.items is None:
+            raise OpenAPISchemaError("Schema for collection not defined")
+
+        return list(map(self.items.validate, value))
+
     def _validate_object(self, value):
         properties = value.__dict__
 
diff --git a/tests/unit/schema/test_schemas.py b/tests/unit/schema/test_schemas.py
index 3f96547..dde4d06 100644
--- a/tests/unit/schema/test_schemas.py
+++ b/tests/unit/schema/test_schemas.py
@@ -5,7 +5,7 @@ import pytest
 
 from openapi_core.extensions.models.models import Model
 from openapi_core.schema.schemas.exceptions import (
-    InvalidSchemaValue, MultipleOneOfSchema, NoOneOfSchema,
+    InvalidSchemaValue, MultipleOneOfSchema, NoOneOfSchema, OpenAPISchemaError,
 )
 from openapi_core.schema.schemas.models import Schema
 
@@ -199,9 +199,16 @@ class TestSchemaValidate(object):
             schema.validate(value)
 
     @pytest.mark.parametrize('value', [[1, 2], (3, 4)])
-    def test_array(self, value):
+    def test_array_no_schema(self, value):
         schema = Schema('array')
 
+        with pytest.raises(OpenAPISchemaError):
+            schema.validate(value)
+
+    @pytest.mark.parametrize('value', [[1, 2], (3, 4)])
+    def test_array(self, value):
+        schema = Schema('array', items=Schema('integer'))
+
         result = schema.validate(value)
 
         assert result == value