diff --git a/hourglass/client/main/main.css b/hourglass/client/main/main.css
index 82e6f71..1e10e74 100644
--- a/hourglass/client/main/main.css
+++ b/hourglass/client/main/main.css
@@ -1208,7 +1208,8 @@ textarea.clickModify {
 	background-color: rgba(0,0,0,0.1);
 
 	position: relative;
-	cursor: default;
+	cursor: default !important;
+	display: table;
 
 	-webkit-transition: background-color 0.4s ease;  
 	-moz-transition: background-color 0.4s ease; 
@@ -1221,13 +1222,20 @@ textarea.clickModify {
 }
 
 .doneUser div {
+	display: inline-block;
 	text-align: center;
+	display: table-cell;
+}
+
+.doneUser div:first-child {
+	width: 15%;
+	vertical-align: middle;
 }
 
 .doneUser img {
-	display: inline-block;
-	vertical-align: middle;
-	line-height: normal;
+	width: 4vh;
+	height: 4vh;
+	line-height: 4vh;
 
 	-moz-border-radius: 50%;
 	-webkit-border-radius: 50%;
@@ -1235,11 +1243,8 @@ textarea.clickModify {
 }
 
 .doneUser span {
-	margin-bottom: 0.3vw;
-
-	display: inline-block;
+	text-align: center;
 	vertical-align: middle;
-	line-height: normal;
 }
 
 #toggleButtons {
@@ -1320,7 +1325,7 @@ textarea.clickModify {
 
 #userDropdownAvatar {
 	width: 100%;
-	height: 10vw;
+	height: 10.5vw;
 	position: relative;
 }
 
@@ -1340,7 +1345,7 @@ textarea.clickModify {
 
 #userDropdownAvatar p {
 	font-size: 1.2vw;
-	width: 12vw;
+	width: 11vw;
 	margin: 0 auto 0 auto;
 	padding-top: 7.5vw;
 	text-align: center;
diff --git a/hourglass/client/main/main.html b/hourglass/client/main/main.html
index 9277585..fab825e 100644
--- a/hourglass/client/main/main.html
+++ b/hourglass/client/main/main.html
@@ -118,10 +118,10 @@
                                     <p>{{work 'reports'}}</p>
                                 </div>
                                 <div class="workCreator doneUser">
-                                    <div style="display:inline-block;width:{{screen '3' '140'}}">
-                                        <img src="{{work 'avatar'}}" style="width:{{screen '3' '140'}};height:{{screen '3' '140'}}">
+                                    <div>
+                                        <img src="{{work 'avatar'}}">
                                     </div>
-                                    <div style="display:inline-block;margin-left:0.3vw">
+                                    <div>
                                         <span>{{work 'creator'}}</span>
                                     </div>
                                 </div>
diff --git a/hourglass/client/main/main.js b/hourglass/client/main/main.js
index da04805..1bd4ebe 100644
--- a/hourglass/client/main/main.js
+++ b/hourglass/client/main/main.js
@@ -49,7 +49,7 @@ Template.main.created = function() {
             $(".overlay").fadeOut(150);
         }
     });
-    getClasses();
+    console.log(Session.get("user"));
     work.find().observeChanges({
         added: function (id, fields) {
             updateWork(id, fields, "added");
@@ -143,6 +143,8 @@ Template.registerHelper('overlayDim', (part) => { // Gets size of the overlay co
 });
 
 Template.registerHelper('myClasses', () => { // Gets all classes and respective works.
+    var myClasses = Session.get("user").classes;
+    getClasses(myClasses);
     /*var myClasses = Session.get("user").classes;
     var classDisp = Session.get("classDisp");
     if (myClasses.length === 0) { // Null checking.
@@ -183,9 +185,8 @@ Template.registerHelper('myWork', () => {
     return Session.get("myWork");
 });
 
-getClasses = function() {
+getClasses = function(myClasses) {
     var array = [];
-    var myClasses = Session.get("user").classes;
     var classDisp = Session.get("classDisp");
     for(var i = 0; i < myClasses.length; i++) {
         var classObj = {};
@@ -230,9 +231,7 @@ updateWork = function(id, fields, type) {
     if(type === "added") {
         workObj = Object.assign({}, fields, {_id: id})
     } else if(type === "changed") {
-        workObj = Object.assign(Session.get("myWork").filter(function(work) {
-            return work._id === id;
-        }), fields);
+        workObj = work.findOne({_id: id});
     }
 
     workObj.classid = workObj.class;
diff --git a/hourglass/client/menus/menus.js b/hourglass/client/menus/menus.js
index 9010581..8afb9ea 100644
--- a/hourglass/client/menus/menus.js
+++ b/hourglass/client/menus/menus.js
@@ -203,6 +203,7 @@ Template.registerHelper("classInfo", (info) => {
     var thisClass = classes.findOne({
         _id: Session.get("classInfo")
     });
+    if (thisClass === undefined) return;
     var isYou = Session.equals("classInfo", Meteor.userId());
     switch (info) {
         case "name":
@@ -498,7 +499,7 @@ Template.joinClass.events({
                     timeout: 1500
                 });
             }
-
+            Meteor.subscribe("classes");
         });
 
     }
diff --git a/hourglass/client/profile/mProfile.js b/hourglass/client/profile/mProfile.js
index f3986fc..6ceb987 100644
--- a/hourglass/client/profile/mProfile.js
+++ b/hourglass/client/profile/mProfile.js
@@ -45,16 +45,8 @@ Template.mProfile.rendered = function() {
             return;
         }
 
-        _.each(myClasses, function(myClass) {
-            Meteor.call("joinClass", [myClass, ""], function(err, result) {
-                if(err !== undefined) {
-                    sAlert.error(message, {
-                        effect: 'stackslide',
-                        position: 'top'
-                    });
-                }
-            })  
-        });
+        joinClass(0);
+        
         var profile = Session.get("profile");
         profile.complete = true;
         profile.preferences = Meteor.user().profile.preferences;
@@ -250,4 +242,20 @@ Template.mClassDisplay2.rendered = function() {
         newSetting.classes.splice(newSetting.classes.indexOf(div.parentNode.getAttribute("classid")),1)
         Session.set("profile", newSetting); 
     });
+}
+
+function joinClass(num) {
+    var joining = Session.get("profile").classes;
+    Meteor.call("joinClass", [joining[num], ""], function(err, result) {
+        if(err !== undefined) {
+            sAlert.error(err.message, {
+                effect: 'stackslide',
+                position: 'top'
+            });
+        }
+        joined++;
+        if(joined !== joining.length) {
+            joinClass(joined);
+        }
+    });
 }
\ No newline at end of file
diff --git a/hourglass/client/profile/profile.html b/hourglass/client/profile/profile.html
index a474c87..106b1d1 100644
--- a/hourglass/client/profile/profile.html
+++ b/hourglass/client/profile/profile.html
@@ -78,7 +78,7 @@
                 <div id="formContainer">
                     <div class="formDiv">
                         <p class="profTitle">**School:</p>
-                         <input id="school" class="creInput" type="text" form="school" value="{{pref 'school'}}" readonly>
+                         <input id="school" class="creInput" type="text" form="school" value="{{school}}" readonly>
                    </div>
                    <div class="formDiv">
                     <p class="profTitle">Hour:</p>
diff --git a/hourglass/client/profile/profile.js b/hourglass/client/profile/profile.js
index 6c3122c..0719fa4 100644
--- a/hourglass/client/profile/profile.js
+++ b/hourglass/client/profile/profile.js
@@ -50,7 +50,7 @@ Template.profile.helpers({
         for (var i = 0; i < array.length; i++) {
             array[i].join = true;
             array[i].subscribers = array[i].subscribers.length;
-            array[i].teachershort = array[i].teacher.split(" ").slice(1).reduce(function(a, b) {
+            array[i].teachershort = (array[i].teacher === undefined) ? "" : array[i].teacher.split(" ").slice(1).reduce(function(a, b) {
                 return a + " " + b;
             });
         }
@@ -133,6 +133,9 @@ Template.profile.helpers({
             return {name:a.name,_id:(Math.floor(Math.random()*1000)).toString(),x:true};
         }));
         return array;
+    },
+    school() {
+        return Session.get("profile").school;
     }
 });
 
@@ -187,26 +190,51 @@ Template.profile.events({
         }
         values.privacy = (values.privacy === "Public") ? false : true;
         values.status = false;
-        values.category.toLowerCase();
+        values.category = values.category.toLowerCase();
         values.code = "";
+
         var newClasses = Session.get("newClasses");
         var duplicate = false;
         for(var i = 0; i < newClasses.length; i++) {
             if(JSON.stringify(newClasses[i]) === JSON.stringify(values)) duplicate = true;
+            if(newClasses[i].school === values.school && newClasses[i].teacher === values.teacher && newClasses[i].hour === values.hour) {
+                sAlert.error("This teacher is already teaching a class elsewhere!", {
+                    effect: 'stackslide',
+                    position: 'bottom-right',
+                    timeout: 3000
+                });
+                return;
+            }
         }
         if(!duplicate && newClasses.length < 8) newClasses.push(values);
-        if(duplicate) sAlert.error("You already created this class!", {
-            effect: 'stackslide',
-            position: 'bottom-right',
-            timeout: 3000
-        });
-        if(newClasses.length === 8) sAlert.error("You already created 8 classes!", {
-            effect: 'stackslide',
-            position: 'bottom-right',
-            timeout: 3000
-        });
+        if(duplicate) {
+            sAlert.error("You already created this class!", {
+                effect: 'stackslide',
+                position: 'bottom-right',
+                timeout: 3000
+            });
+        }
+        if(newClasses.length === 8) {
+            sAlert.error("You already created 8 classes!", {
+                effect: 'stackslide',
+                position: 'bottom-right',
+                timeout: 3000
+            });
+            return;
+        }
+        if(classes.findOne({school: values.school, teacher: values.teacher, status: true, privacy: false, hour: values.hour}) || (values.teacher === "" && values.hour === ""))  {
+            sAlert.error("This teacher is already teaching a class elsewhere!", {
+                effect: 'stackslide',
+                position: 'bottom-right',
+                timeout: 3000
+            });
+            return;
+        }
+
         Session.set("newClasses", newClasses);
         $(".creInput").each(function(){$(this).val('');});
+        $(".creInput")[0].value = Session.get("profile").school;
+        slideToField(Session.get("sections")[1]-1);
         
     },
     'click #backArrow' () {
@@ -283,12 +311,15 @@ Template.profile.events({
         document.getElementById(modifyingInput).value = option;
         toggleOptionMenu(false, modifyingInput);
         $(".selectedOption").removeClass("selectedOption");
-        if(option !== Session.get("profile").school) {
-            newSetting = Session.get("profile");
-            newSetting["classes"] = [];
+        var newSetting = Session.get("profile");
+        if(modifyingInput === "school") {
+            if(option !== Session.get("profile").school) newSetting["classes"] = [];
             newSetting.school = option;
-            Session.set("profile", newSetting);
+        } else if(modifyingInput === "grade") {
+            newSetting = Session.get("profile");
+            newSetting.grade = option; 
         }
+        Session.set("profile", newSetting);
     },
     'input #classSearch' (event) { // Auto-complete updater
         if (event.target.value.length === 0) {
@@ -381,18 +412,10 @@ Template.profile.events({
             return;
         }
 
-        _.each(myClasses, function(myClass) {
-            Meteor.call("joinClass", [myClass, ""], function(err, result) {
-                if(err !== undefined) {
-                    sAlert.error(message, {
-                        effect: 'stackslide',
-                        position: 'top'
-                    });
-                }
-            })  
-        });
+        joinClass(0);
+
         _.each(newClasses, function(newClass) {
-            if (!teachers.findOne({
+            if(!teachers.findOne({
                 name: newClass.teacher
             })) {
                 Meteor.call("createTeacher", newClass.teacher, newClass.school, function(error, result) {
@@ -401,28 +424,13 @@ Template.profile.events({
                             effect: 'stackslide',
                             position: 'top'
                         });
-                    } else {
-                        Meteor.call("createClass", newClass, function(error, result) {
-                            if(error !== undefined) {
-                                sAlert.error(message, {
-                                    effect: 'stackslide',
-                                    position: 'top'
-                                });    
-                            }
-                        });
-                    }
-                });
-            } else {
-                Meteor.call("createClass", newClass, function(error, result) {
-                    if(error !== undefined) {
-                        sAlert.error(message, {
-                            effect: 'stackslide',
-                            position: 'top'
-                        });    
                     }
                 });
             }
         });
+
+        createClass(0);
+    
         var profile = Session.get("profile");
         profile.complete = true;
         profile.preferences = Meteor.user().profile.preferences;
@@ -462,3 +470,38 @@ function slideToField(field) {
         }
     });
 }
+
+var joined = 0;
+var created = 0;
+
+function joinClass(num) {
+    var joining = Session.get("profile").classes;
+    Meteor.call("joinClass", [joining[num], ""], function(err, result) {
+        if(err !== undefined) {
+            sAlert.error(err.message, {
+                effect: 'stackslide',
+                position: 'top'
+            });
+        }
+        joined++;
+        if(joined !== joining.length) {
+            joinClass(joined);
+        }
+    });
+}
+
+function createClass(num) {
+    var creating = Session.get("newClasses");
+    Meteor.call("createClass", creating[num], function(error, result) {
+        if(error !== undefined) {
+            sAlert.error(error.message, {
+                effect: 'stackslide',
+                position: 'top'
+            });    
+        }
+        created++;
+        if(created !== creating.length) {
+            createClass(created);
+        }
+    });
+}
diff --git a/hourglass/server/main.js b/hourglass/server/main.js
index 9abcd3b..d5863a5 100644
--- a/hourglass/server/main.js
+++ b/hourglass/server/main.js
@@ -318,9 +318,13 @@ function securityCheck(checklist, input) {
         results.push(error);
     }
     error = results.find(function(result){return result !== 0;});
-    if (checklist[checklist.length - 1] && error !== undefined) return error;
-    else if (results.find(function(result){return result === 0;}) === undefined) return results[0];
-    else return 0;
+    if (checklist[checklist.length - 1] && error !== undefined) {
+        return error;
+    } else if (results.find(function(result){return result === 0;}) === undefined) {
+        return results[0];
+    } else {
+        return 0;
+    }
 }
 
 Meteor.methods({
@@ -524,8 +528,9 @@ Meteor.methods({
             _id: currentwork.class
         });
         if(change.description) change.description = change.description.trim();
-        var security = securityCheck([[1, 16, 13, 5, false], 11, 12, 10, 20, true],
+        var security = securityCheck([[1,16, 13, 14, 5, false], 11, 12, 10, 20, true],
                                      Object.assign({}, currentclass || {}, currentwork, {description: change.description, name: change.name, dueDate: change.dueDate, type: change.type}));
+
         if (!security) {
             work.update({
                 _id: change._id
@@ -706,8 +711,8 @@ Meteor.methods({
                     subscribers: foundsubs.concat(Meteor.userId())
                 }
             });
-            var current = Meteor.user().profile;
-            current.classes = current.classes.concat(change);
+            var current = Meteor.users.findOne({_id: Meteor.userId()}).profile;
+            current.classes.push(change);
             Meteor.users.update({
                 _id: Meteor.userId()
             }, {