diff --git a/src/components/Api/Api.tsx b/src/components/Api/Api.tsx
index 55b410d..54fb465 100644
--- a/src/components/Api/Api.tsx
+++ b/src/components/Api/Api.tsx
@@ -6,7 +6,7 @@ import {
   OnboardingParams,
   PatchStudentData,
   RegistrationParams,
-  StudentStatusParams,
+  StudentStatus,
 } from "../../interfaces/Interfaces";
 
 export let backendURL = "https://stude.keannu1.duckdns.org";
@@ -261,20 +261,35 @@ export async function OnboardingUpdateStudentInfo(info: OnboardingParams) {
     });
 }
 
-export async function PostStudentStatus(info: StudentStatusParams) {
+export async function GetStudentStatus() {
   const config = await GetConfig();
-  console.log(info);
   return instance
-    .patch("/api/v1/student_status/self/", info, config)
+    .get("/api/v1/student_status/self/", config)
     .then((response) => {
-      console.log("heh1");
       return [true, response.data];
     })
     .catch((error) => {
       let error_message = "";
       if (error.response) error_message = error.response.data;
       else error_message = "Unable to reach servers";
-      console.log("heh2", error);
+      console.log(error_message);
+      return [false, error_message];
+    });
+}
+
+export async function PatchStudentStatus(info: StudentStatus) {
+  const config = await GetConfig();
+  console.log(info);
+  return instance
+    .patch("/api/v1/student_status/self/", info, config)
+    .then((response) => {
+      return [true, response.data];
+    })
+    .catch((error) => {
+      let error_message = "";
+      if (error.response) error_message = error.response.data;
+      else error_message = "Unable to reach servers";
+      console.log(error_message);
       return [false, error_message];
     });
 }
diff --git a/src/interfaces/Interfaces.tsx b/src/interfaces/Interfaces.tsx
index 76c7c8c..eb6486c 100644
--- a/src/interfaces/Interfaces.tsx
+++ b/src/interfaces/Interfaces.tsx
@@ -122,6 +122,23 @@ export interface PatchStudentData {
   avatar?: string | null;
 }
 
+interface Location {
+  latitude: number;
+  longitude: number;
+}
+
+export interface StudentStatus {
+  user?: string;
+  subject?: string;
+  location?: Location;
+  landmark?: string | null;
+  active?: boolean;
+}
+
+export type StudentStatusParams = [boolean, StudentStatus];
+
+export type LocationType = Location.LocationObject;
+
 export interface StudentData {
   first_name: string;
   last_name: string;
@@ -135,21 +152,8 @@ export interface StudentData {
   course_shortname: string;
   year_level: string;
   yearlevel_shortname: string;
-  subjects: string[]; // To-do
+  subjects: string[];
   username: string;
 }
 
 export type UserInfoParams = [boolean, StudentData];
-
-interface Location {
-  latitude: number;
-  longtitude: number;
-}
-
-export interface StudentStatusParams {
-  subject?: string;
-  location?: Location;
-  active?: boolean;
-}
-
-export type LocationType = Location.LocationObject;
diff --git a/src/routes/Home/Home.tsx b/src/routes/Home/Home.tsx
index 73eb82a..0b79bae 100644
--- a/src/routes/Home/Home.tsx
+++ b/src/routes/Home/Home.tsx
@@ -1,23 +1,34 @@
 import styles, { Viewport, colors } from "../../styles";
-import { View, Text } from "react-native";
+import { View, Text, ToastAndroid } from "react-native";
 import AnimatedContainer from "../../components/AnimatedContainer/AnimatedContainer";
 import { useState, useEffect } from "react";
 import MapView, { Callout, Marker, UrlTile } from "react-native-maps";
 import * as Location from "expo-location";
 import GetDistance from "../../components/GetDistance/GetDistance";
 import Button from "../../components/Button/Button";
-import { RootDrawerParamList } from "../../interfaces/Interfaces";
+import {
+  RootDrawerParamList,
+  StudentStatusParams,
+} from "../../interfaces/Interfaces";
 import { LocationType } from "../../interfaces/Interfaces";
 import { useNavigation } from "@react-navigation/native";
-import { urlProvider } from "../../components/Api/Api";
+import {
+  GetStudentStatus,
+  PatchStudentStatus,
+  urlProvider,
+} from "../../components/Api/Api";
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 
 export default function Home() {
+  // Switch this condition to see the main map when debugging
+  const map_debug = true;
   const navigation = useNavigation<RootDrawerParamList>();
   const [location, setLocation] = useState<LocationType | null>(null);
   const [dist, setDist] = useState<number | null>(null);
   const [feedback, setFeedback] = useState(
     "To continue, please allow Stud-E permission to location services"
   );
+  const queryClient = useQueryClient();
 
   const ustpCoords = {
     latitude: 8.4857,
@@ -28,8 +39,10 @@ export default function Home() {
   async function requestLocation() {
     const { status } = await Location.requestForegroundPermissionsAsync();
     if (status !== "granted") {
-      setFeedback(
-        "Permission to access location was denied. Please allow permission"
+      setFeedback("Allow location permissions to continue");
+      ToastAndroid.show(
+        "Location permission was denied. Please allow in order to use StudE",
+        ToastAndroid.SHORT
       );
       return;
     }
@@ -71,12 +84,86 @@ export default function Home() {
       ustpCoords.longitude
     );
     setDist(Math.round(dist));
+    // Deactivate student status if too far away
+    if (dist >= 2 && !map_debug)
+      mutation.mutate({
+        active: false,
+      });
   }
 
+  // Student Status
+  const [studying, setStudying] = useState(false);
+  const [subject, setSubject] = useState("");
+  const [buttonLabel, setButtonLabel] = useState("Start studying");
+  const StudentStatus = useQuery({
+    queryKey: ["user_status"],
+    queryFn: GetStudentStatus,
+    onSuccess: (data: StudentStatusParams) => {
+      if (data[1].active !== undefined) {
+        setStudying(data[1].active);
+      }
+      if (data[1].subject !== undefined) {
+        setSubject(data[1].subject);
+      }
+      if (data[1].active == true) {
+        setButtonLabel("Stop Studying");
+      } else if (data[1].active == false) {
+        setButtonLabel("Start Studying");
+      }
+      console.log(data[1]);
+    },
+    onError: () => {
+      setFeedback("Unable to query available subjects");
+    },
+  });
+
+  const mutation = useMutation({
+    mutationFn: PatchStudentStatus,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["user"] });
+      queryClient.invalidateQueries({ queryKey: ["user_status"] });
+      ToastAndroid.show(
+        "You are no longer studying " + subject,
+        ToastAndroid.SHORT
+      );
+    },
+    onError: () => {
+      ToastAndroid.show(
+        "Server error. Unable to update student status",
+        ToastAndroid.SHORT
+      );
+    },
+  });
+  function CustomCallout() {
+    if (location && location.coords) {
+      if (studying) {
+        return (
+          <Callout>
+            <Text style={styles.text_black_medium}>
+              You are here {"\n"}
+              X: {Math.round(location.coords.longitude) + "\n"}
+              Z: {Math.round(location.coords.latitude) + "\n"}
+              Studying: {subject}
+            </Text>
+          </Callout>
+        );
+      } else {
+        return (
+          <Callout>
+            <Text style={styles.text_black_medium}>
+              You are here {"\n"}
+              X: {Math.round(location.coords.longitude) + "\n"}
+              Z: {Math.round(location.coords.latitude)}
+            </Text>
+          </Callout>
+        );
+      }
+    }
+    return <></>;
+  }
   function CustomMap() {
     if (dist && location) {
-      if (dist >= 2) {
-        // Just switch this condition for map debugging
+      if (dist <= 2 || map_debug) {
         return (
           <View>
             <MapView
@@ -149,21 +236,21 @@ export default function Home() {
                 }}
                 pinColor={colors.primary_1}
               >
-                <Callout>
-                  <Text style={styles.text_black_medium}>
-                    You are here {"\n"}
-                    X: {Math.round(location.coords.longitude) + "\n"}
-                    Z: {Math.round(location.coords.latitude)}
-                  </Text>
-                </Callout>
+                <CustomCallout />
               </Marker>
             </MapView>
             <Button
               onPress={async () => {
-                navigation.navigate("Start Studying", { location: location });
+                if (!studying) {
+                  navigation.navigate("Start Studying", { location: location });
+                } else {
+                  mutation.mutate({
+                    active: false,
+                  });
+                }
               }}
             >
-              <Text style={styles.text_white_medium}>Start Studying</Text>
+              <Text style={styles.text_white_medium}>{buttonLabel}</Text>
             </Button>
           </View>
         );
diff --git a/src/routes/StartStudying/StartStudying.tsx b/src/routes/StartStudying/StartStudying.tsx
index 4fadf35..562762d 100644
--- a/src/routes/StartStudying/StartStudying.tsx
+++ b/src/routes/StartStudying/StartStudying.tsx
@@ -1,21 +1,26 @@
 import * as React from "react";
 import styles, { Viewport } from "../../styles";
-import { View, Text } from "react-native";
+import { View, Text, ToastAndroid } from "react-native";
 import { useState } from "react";
-import { UserInfoParams, OptionType } from "../../interfaces/Interfaces";
+import {
+  UserInfoParams,
+  OptionType,
+  RootDrawerParamList,
+} from "../../interfaces/Interfaces";
 import Button from "../../components/Button/Button";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
-import { UserInfo } from "../../components/Api/Api";
+import { PatchStudentStatus, UserInfo } from "../../components/Api/Api";
 import { colors } from "../../styles";
 import DropDownPicker from "react-native-dropdown-picker";
 import AnimatedContainerNoScroll from "../../components/AnimatedContainer/AnimatedContainerNoScroll";
 import { urlProvider } from "../../components/Api/Api";
 import MapView, { UrlTile, Marker } from "react-native-maps";
+import { useNavigation } from "@react-navigation/native";
 
 export default function StartStudying({ route }: any) {
   const { location } = route.params;
   const queryClient = useQueryClient();
-  const [feedback, setFeedback] = useState("");
+  const navigation = useNavigation<RootDrawerParamList>();
 
   // Subject choices
   const [selected_subject, setSelectedSubject] = useState("");
@@ -32,9 +37,32 @@ export default function StartStudying({ route }: any) {
       setSubjects(subjects);
     },
     onError: () => {
-      setFeedback("Unable to query available subjects");
+      ToastAndroid.show(
+        "Server error: Unable to query available subjects",
+        ToastAndroid.SHORT
+      );
     },
   });
+
+  const mutation = useMutation({
+    mutationFn: PatchStudentStatus,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["user"] });
+      queryClient.invalidateQueries({ queryKey: ["user_status"] });
+      ToastAndroid.show(
+        "You are now studying " + selected_subject,
+        ToastAndroid.SHORT
+      );
+      navigation.navigate("Home");
+    },
+    onError: () => {
+      ToastAndroid.show(
+        "A server error has occured. Please try again",
+        ToastAndroid.SHORT
+      );
+    },
+  });
+
   if (location && location.coords) {
     return (
       <View style={styles.background}>
@@ -87,50 +115,60 @@ export default function StartStudying({ route }: any) {
               />
             </MapView>
             <View style={styles.padding} />
-
-            <Text style={styles.text_white_small}>{feedback}</Text>
-          </View>
-          <View style={styles.flex_row}>
-            <View style={{ flex: 1 }}>
-              <Text style={styles.text_white_small_bold}>Start Studying</Text>
-            </View>
-            <View style={{ flex: 3 }}>
-              <DropDownPicker
-                zIndex={1000}
-                max={16}
-                open={subjectsOpen}
-                value={selected_subject}
-                items={subjects}
-                setOpen={(open) => {
-                  setSubjectsOpen(open);
-                }}
-                setValue={setSelectedSubject}
-                placeholderStyle={{
-                  ...styles.text_white_tiny_bold,
-                  ...{ textAlign: "left" },
-                }}
-                placeholder="Select subject"
-                multipleText="Select subject"
-                style={styles.input}
-                textStyle={{
-                  ...styles.text_white_tiny_bold,
-                  ...{ textAlign: "left" },
-                }}
-                modalContentContainerStyle={{
-                  backgroundColor: colors.primary_2,
-                  borderWidth: 0,
-                  zIndex: 1000,
-                }}
-                autoScroll
-                dropDownDirection="BOTTOM"
-                listMode="MODAL"
-              />
-            </View>
           </View>
+          <DropDownPicker
+            zIndex={1000}
+            max={16}
+            open={subjectsOpen}
+            value={selected_subject}
+            items={subjects}
+            setOpen={(open) => {
+              setSubjectsOpen(open);
+            }}
+            setValue={setSelectedSubject}
+            placeholderStyle={{
+              ...styles.text_white_tiny_bold,
+              ...{ textAlign: "left" },
+            }}
+            placeholder="Select subject"
+            multipleText="Select subject"
+            style={styles.input}
+            textStyle={{
+              ...styles.text_white_tiny_bold,
+              ...{ textAlign: "left" },
+            }}
+            modalContentContainerStyle={{
+              backgroundColor: colors.primary_2,
+              borderWidth: 0,
+              zIndex: 1000,
+            }}
+            autoScroll
+            dropDownDirection="BOTTOM"
+            listMode="MODAL"
+          />
           <View style={styles.padding} />
-          <Button onPress={() => {}}>
+          <Button
+            onPress={() => {
+              console.log({
+                subject: selected_subject,
+                location: {
+                  latitude: location.coords.latitude,
+                  longitude: location.coords.longitude,
+                },
+              });
+              mutation.mutate({
+                active: true,
+                subject: selected_subject,
+                location: {
+                  latitude: location.coords.latitude,
+                  longitude: location.coords.longitude,
+                },
+              });
+            }}
+          >
             <Text style={styles.text_white_small}>Start Studying</Text>
           </Button>
+          <View style={styles.padding} />
         </AnimatedContainerNoScroll>
       </View>
     );
diff --git a/src/routes/SubjectsPage/SubjectsPage.tsx b/src/routes/SubjectsPage/SubjectsPage.tsx
index b0429e0..2db5e3b 100644
--- a/src/routes/SubjectsPage/SubjectsPage.tsx
+++ b/src/routes/SubjectsPage/SubjectsPage.tsx
@@ -52,7 +52,7 @@ export default function SubjectsPage() {
     course_shortname: "",
     avatar: "",
     student_id_number: "",
-    subjects: [] as Subjects,
+    subjects: [] as string[],
   });
   const StudentInfo = useQuery({
     queryKey: ["user"],
diff --git a/src/routes/UserInfoPage/UserInfoPage.tsx b/src/routes/UserInfoPage/UserInfoPage.tsx
index d713a2f..63d1b39 100644
--- a/src/routes/UserInfoPage/UserInfoPage.tsx
+++ b/src/routes/UserInfoPage/UserInfoPage.tsx
@@ -28,6 +28,7 @@ import {
   GetSemesters,
   GetSubjects,
   GetYearLevels,
+  PatchStudentStatus,
   PatchUserInfo,
   UserInfo,
 } from "../../components/Api/Api";
@@ -47,6 +48,20 @@ export default function UserInfoPage() {
   const dispatch = useDispatch();
   const queryClient = useQueryClient();
   const [feedback, setFeedback] = useState("");
+
+  // Student Status
+  const studentstatus_mutation = useMutation({
+    mutationFn: PatchStudentStatus,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["user"] });
+      queryClient.invalidateQueries({ queryKey: ["user_status"] });
+      setFeedback("Changes applied successfully");
+    },
+    onError: () => {
+      setFeedback("An error has occured\nChanges have not been saved");
+    },
+  });
+
   // User Info
   const [user, setUser] = useState({
     first_name: "",
@@ -86,11 +101,16 @@ export default function UserInfoPage() {
       setFeedback("Unable to query user info");
     },
   });
+
   const mutation = useMutation({
     mutationFn: PatchUserInfo,
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["user"] });
       queryClient.invalidateQueries({ queryKey: ["subjects"] });
+      // Reset student status when changing user info to prevent bugs
+      studentstatus_mutation.mutate({
+        active: false,
+      });
       setFeedback("Changes applied successfully");
       dispatch(setUserinState(user));
     },