diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e75958c..ff5f0b8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,9 @@ jobs:
     name: Pre-commit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - uses: pre-commit/action@v2.0.3
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+      - uses: pre-commit/action@v3.0.0
 
   unit-tests:
     name: Test cases
diff --git a/.gitignore b/.gitignore
index 1ce71e3b..3292e21d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,3 +160,16 @@ static/admin/*
 zappa_settings.json
 
 templates/staging-test.yaml
+
+*.log.*
+deployment/.terraform/*
+deployment/.terraform
+deployment/.terraform.lock.hcl
+deployment/terraform.tfstate.backup
+deployment/terraform.tfstate
+deployment/terraform.tfstate.d
+terraform.tfstate
+deployment/.env.staging
+deployment/.env.production
+
+app/scripts/dump
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a13244bc..c8853a26 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,29 +1,37 @@
 repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
-    hooks:
-      - id: trailing-whitespace
-      - id: end-of-file-fixer
-      - id: check-json
-      - id: check-yaml
-        exclude: "templates/*"
-      - id: check-merge-conflict
-      - id: check-added-large-files
-  - repo: https://github.com/aws-cloudformation/cfn-python-lint
-    rev: v0.58.4
-    hooks:
-      - id: cfn-python-lint
-        files: templates/.*\.(json|yml|yaml)$
-  - repo: https://github.com/psf/black
-    rev: 22.3.0
-    hooks:
-      - id: black
-  - repo: https://github.com/pycqa/flake8
-    rev: "3.9.0"
-    hooks:
-      - id: flake8
-        args:
-          # these are errors that will be ignored by flake8
-          # check out their meaning here
-          # https://flake8.pycqa.org/en/latest/user/error-codes.html
-          - "--ignore=E501,E203,W503"
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.5.0
+  hooks:
+  -   id: trailing-whitespace
+  -   id: end-of-file-fixer
+  -   id: check-json
+  -   id: check-yaml
+      exclude: "templates/*"
+  -   id: check-merge-conflict
+  -   id: check-added-large-files
+- repo: https://github.com/psf/black
+  rev: 23.10.1
+  hooks:
+  -   id: black
+      exclude: ^psycopg2/
+- repo: https://github.com/pycqa/flake8
+  rev: '6.1.0'
+  hooks:
+  -   id: flake8
+      exclude: ^psycopg2/
+      args:
+      # these are errors that will be ignored by flake8
+      # check out their meaning here
+      # https://flake8.pycqa.org/en/latest/user/error-codes.html
+      - "--ignore=E501,E203,W503"
+
+- repo: https://github.com/terraform-linters/tflint
+  rev: v0.30.0
+  hooks:
+    - id: tflint
+      files: \.tf$
+- repo: https://github.com/aws-cloudformation/cfn-python-lint
+  rev: v0.58.4
+  hooks:
+    - id: cfn-python-lint
+      files: templates/.*\.(json|yml|yaml)$
diff --git a/app/models.py b/app/models.py
index 2445f089..059a290d 100644
--- a/app/models.py
+++ b/app/models.py
@@ -73,6 +73,29 @@ class Event(BaseModel):
     updated_at: datetime = Field(default_factory=datetime.utcnow)
 
 
+class QuestionSetMetric(BaseModel):
+    name: str
+    qset_id: str
+    marks_scored: int
+    num_answered: int
+    num_skipped: int
+    num_correct: int
+    num_wrong: int
+    num_partially_correct: int
+    attempt_rate: float
+    accuracy_rate: float
+
+
+class SessionMetrics(BaseModel):
+    qset_metrics: List[QuestionSetMetric]
+    total_answered: int
+    total_skipped: int
+    total_correct: int
+    total_wrong: int
+    total_partially_correct: int
+    total_marks: int
+
+
 class QuestionMetadata(BaseModel):
     grade: Optional[str]
     subject: Optional[str]
@@ -423,6 +446,7 @@ class Session(BaseModel):
     created_at: datetime = Field(default_factory=datetime.utcnow)
     events: List[Event] = []
     has_quiz_ended: bool = False
+    metrics: Optional[SessionMetrics] = None  # gets updated when quiz ends
 
     class Config:
         allow_population_by_field_name = True
@@ -440,6 +464,7 @@ class UpdateSession(BaseModel):
     """Model for the body of the request that updates a session"""
 
     event: EventType
+    metrics: Optional[SessionMetrics]
 
     class Config:
         schema_extra = {"example": {"event": "start-quiz"}}
diff --git a/app/routers/quizzes.py b/app/routers/quizzes.py
index 330517f7..5c2161d1 100644
--- a/app/routers/quizzes.py
+++ b/app/routers/quizzes.py
@@ -197,7 +197,6 @@ async def get_quiz(quiz_id: str):
         )
 
         for question_set_index, question_set in enumerate(quiz["question_sets"]):
-
             updated_subset_without_details = []
             options_count_per_set = options_count_across_sets[question_set_index][
                 "options_count_per_set"
diff --git a/app/routers/sessions.py b/app/routers/sessions.py
index 8aba2398..7d98b14a 100644
--- a/app/routers/sessions.py
+++ b/app/routers/sessions.py
@@ -117,6 +117,7 @@ async def create_session(session: Session):
         current_session["events"] = last_session.get("events", [])
         current_session["time_remaining"] = last_session.get("time_remaining", None)
         current_session["has_quiz_ended"] = last_session.get("has_quiz_ended", False)
+        current_session["metrics"] = last_session.get("metrics", None)
 
         # restore the answers from the last (previous) sessions
         session_answers_of_the_last_session = last_session["session_answers"]
@@ -161,6 +162,8 @@ async def update_session(session_id: str, session_updates: UpdateSession):
     * resume button is clicked (resume-quiz event)
     * end button is clicked (end-quiz event)
     * dummy event logic added for JNV -- will be removed!
+
+    when end-quiz event is sent, session_updates also contains netrics
     """
     new_event = jsonable_encoder(session_updates)["event"]
     log_message = f"Updating session with id {session_id} and event {new_event}"
@@ -192,7 +195,6 @@ async def update_session(session_id: str, session_updates: UpdateSession):
         else:
             session_update_query["$set"].update({"events": [new_event_obj]})
     else:
-
         if (
             new_event == EventType.dummy_event
             and session["events"][-1]["event_type"] == EventType.dummy_event
@@ -274,10 +276,17 @@ async def update_session(session_id: str, session_updates: UpdateSession):
 
     # update the document in the sessions collection
     if new_event == EventType.end_quiz:
+        session_metrics = jsonable_encoder(session_updates)["metrics"]
+
         if "$set" not in session_update_query:
-            session_update_query["$set"] = {"has_quiz_ended": True}
+            session_update_query["$set"] = {
+                "has_quiz_ended": True,
+                "metrics": session_metrics,
+            }
         else:
-            session_update_query["$set"].update({"has_quiz_ended": True})
+            session_update_query["$set"].update(
+                {"has_quiz_ended": True, "metrics": session_metrics}
+            )
 
     update_result = client.quiz.sessions.update_one(
         {"_id": session_id}, session_update_query
diff --git a/app/scripts/add_marking_scheme_to_questions_without_details.py b/app/scripts/add_marking_scheme_to_questions_without_details.py
index 7d813370..5a5b3b5f 100644
--- a/app/scripts/add_marking_scheme_to_questions_without_details.py
+++ b/app/scripts/add_marking_scheme_to_questions_without_details.py
@@ -5,7 +5,6 @@
 settings = Settings()
 
 if __name__ == "__main__":
-
     if "MONGO_AUTH_CREDENTIALS" not in os.environ:
         from dotenv import load_dotenv
 
diff --git a/app/scripts/find_and_replace_some_text_in_all_quizzes.py b/app/scripts/find_and_replace_some_text_in_all_quizzes.py
index 36e124ae..072f373e 100644
--- a/app/scripts/find_and_replace_some_text_in_all_quizzes.py
+++ b/app/scripts/find_and_replace_some_text_in_all_quizzes.py
@@ -2,7 +2,6 @@
 import os
 
 if __name__ == "__main__":
-
     if "MONGO_AUTH_CREDENTIALS" not in os.environ:
         from dotenv import load_dotenv
 
diff --git a/app/scripts/remove_extra_dummy_events_in_sessions.py b/app/scripts/remove_extra_dummy_events_in_sessions.py
index cc5757b5..78e5ed3f 100644
--- a/app/scripts/remove_extra_dummy_events_in_sessions.py
+++ b/app/scripts/remove_extra_dummy_events_in_sessions.py
@@ -4,7 +4,6 @@
 # test session["_id"] in prod: 633646b0639829dad5a896b4
 
 if __name__ == "__main__":
-
     if "MONGO_AUTH_CREDENTIALS" not in os.environ:
         from dotenv import load_dotenv
 
@@ -16,7 +15,6 @@
     for session in session_collection.find(
         {"events": {"$exists": True}, "$expr": {"$gt": [{"$size": "$events"}, 1000]}}
     ):
-
         print(session["_id"])
 
         if session["events"] is None:
@@ -29,7 +27,6 @@
 
         # Loop through all events in the session
         for event in session["events"]:
-
             # Check if the event is a dummy event
             if event["event_type"] == "dummy-event":
                 # Check if we've already seen a dummy event
diff --git a/app/scripts/tag_all_questions_with_question_set_ids.py b/app/scripts/tag_all_questions_with_question_set_ids.py
index ee96f02a..f24c65f8 100644
--- a/app/scripts/tag_all_questions_with_question_set_ids.py
+++ b/app/scripts/tag_all_questions_with_question_set_ids.py
@@ -2,7 +2,6 @@
 import os
 
 if __name__ == "__main__":
-
     if "MONGO_AUTH_CREDENTIALS" not in os.environ:
         from dotenv import load_dotenv
 
diff --git a/app/scripts/update_specific_user_ids.py b/app/scripts/update_specific_user_ids.py
index f4bbc181..d9b87b6f 100644
--- a/app/scripts/update_specific_user_ids.py
+++ b/app/scripts/update_specific_user_ids.py
@@ -3,7 +3,6 @@
 import json
 
 if __name__ == "__main__":
-
     if "MONGO_AUTH_CREDENTIALS" not in os.environ:
         from dotenv import load_dotenv
 
diff --git a/app/tests/test_questions.py b/app/tests/test_questions.py
index d5510167..643bb426 100644
--- a/app/tests/test_questions.py
+++ b/app/tests/test_questions.py
@@ -38,5 +38,5 @@ def test_get_questions_for_multiple_question_sets(self):
 
             assert response.status_code == 200
             response = response.json()
-            assert type(response) == list
+            assert isinstance(response, list)
             assert len(response) == settings.subset_size