diff --git a/Matcher.js b/Matcher.js
index 3fa1c84..eece02e 100644
--- a/Matcher.js
+++ b/Matcher.js
@@ -16,6 +16,9 @@ class Matcher {
         // An array containing Student objects representing every student
         this.allStudents = [];
 
+        // An array containing Student objects that are preassigned
+        this.preAssignedStudents = [];
+
         // An array containing all workshop objects sorted from least to most popular
         this.workshopsByPopularity = [];
 
@@ -80,6 +83,30 @@ class Matcher {
         student.updatePopularities();
     }
 
+    /**
+     * Adds a preassigned Student object into preAssignedStudents
+     *
+     * @param {string} firstName       The first name of the student.
+     * @param {string} lastName        The last name of the student.
+     * @param {string} grade           The last name of the student.
+     * @param {array}  assignments     The student's assignments as an array of integers.
+     */
+    addPreassignedStudent(firstName, lastName, grade, assignments) {
+        const student = new Student(
+            firstName,
+            lastName,
+            assignments,
+            grade,
+            this.sessionsPerWorkshop
+        );
+        for (let i = 0; i < assignments.length; i++) {
+            //for all assignments
+            const workshop = this.workshopsByNumber[assignments[i]];
+            student.assignWorkshop(workshop);
+        }
+        this.preAssignedStudents.push(student);
+    }
+
     /**
      * Helper function for sorting that compares two workshops by their popularity.
      *
diff --git a/main.js b/main.js
index 6d5cf53..a2be8ef 100644
--- a/main.js
+++ b/main.js
@@ -11,6 +11,12 @@ const COLUMN_WORKSHOP_CAPACITY = 6;
 const COLUMN_WORKSHOP_BUILDING = 4;
 const COLUMN_WORKSHOP_ROOM = 5;
 
+// Column indicies of the Pre-assignment Sheet
+const COLUMN_FIRST_NAMEP = 0;
+const COLUMN_LAST_NAMEP = 1;
+const COLUMN_GRADEP = 2;
+const COLUMN_ASSIGNMENTS = [3, 4, 5];
+
 // Column indices of student preferences in order from most preferred to least
 const PREFERENCE_COLUMNS = [1, 2, 3, 4, 5, 6];
 
@@ -118,8 +124,19 @@ function main() {
         matcher.addNewStudent(firstName, lastName, preferenceNums, grade);
     }
 
-    Logger.log(matcher.allStudents[0].firstName);
-    Logger.log(matcher.allStudents[0].preferences[0].name);
+    for (let l = 1; l < PRE_ASSIGNMENT_DATA.length; l++) {
+        // For all preassignements l
+        const firstName = PRE_ASSIGNMENT_DATA[l][COLUMN_FIRST_NAMEP];
+        const lastName = PRE_ASSIGNMENT_DATA[l][COLUMN_LAST_NAMEP];
+        const grade = PRE_ASSIGNMENT_DATA[l][COLUMN_GRADEP];
+        const assignments = [];
+        for (let m = 0; m < COLUMN_ASSIGNMENTS.length; m++) {
+            //for each Assignment m
+            assignments.push(PRE_ASSIGNMENT_DATA[l][COLUMN_ASSIGNMENTS[m]]);
+        }
+
+        matcher.addPreassignedStudent(firstName, lastName, grade, assignments);
+    }
 
     populateSheet(outputSheet, matcher);
 }
@@ -139,6 +156,25 @@ function populateSheet(outputSheet, matcher) {
     // All student lines to output
     const studentLines = [];
 
+    for (const student of matcher.preAssignedStudents) {
+        const studentLine = [];
+        studentLine.push(student.firstName);
+        studentLine.push(student.lastName);
+        studentLine.push(student.grade);
+
+        // List the student's assigned workshops in the row
+        for (const workshop of student.assignedWorkshops) {
+            if (workshop === null) {
+                studentLine.push("", "", "");
+            } else {
+                studentLine.push(workshop.number);
+                studentLine.push(workshop.name);
+                studentLine.push(workshop.location);
+            }
+        }
+        studentLines.push(studentLine);
+    }
+
     for (const student of matcher.allStudents) {
         const studentLine = [];
         studentLine.push(student.firstName);
@@ -163,4 +199,13 @@ function populateSheet(outputSheet, matcher) {
     outputSheet
         .getRange(outputSheet.getLastRow() + 1, 1, rowCount, columnCount)
         .setValues(studentLines);
+
+    let colors = ["PaleGreen", "PaleTurquoise", "Pink", "PeachPuff", "White"];
+    for (let i = 0; i < 5; i++) {
+        let colorColumn = (i*3) + 1;
+        let color = colors[i];
+        outputSheet
+        .getRange(1, colorColumn, outputSheet.getLastRow(), colorColumn + 2)
+        .setBackground(color);
+    }
 }