diff --git a/grade-data/24S.csv b/grade-data/24S.csv
index 22e1740..7bc23d5 100644
--- a/grade-data/24S.csv
+++ b/grade-data/24S.csv
@@ -1,4 +1,4 @@
-Subject,Catalog Nbr,Section,A+,A,A-,B+,B,B-,C+,C,C-,D+,D,D-,F,CR,I,NC,W,P,Instructor 1,Instructor 2,Instructor 3,Instructor 4,Instructor 5,Instructor 6
+Subject,Catalog Nbr,Section,A+,A,A-,B+,B,B-,C+,C,C-,D+,D,D-,F,CR,I,NC,W,P,Instructor 1,Instructor 2,Instructor 3,Instructor 4,Instructor 5,Instructor 6
 ACCT,2301,001,4,6,11,7,7,2,8,6,6,,4,,3,,,,3,,"Zhang, Jieying","Ozel, Naim Bugra","Gu, Dongdi","Zhang, Yang",,
 ACCT,2301,002,6,9,16,7,11,1,7,4,3,,1,,,,,,2,,"Ozel, Naim Bugra","Zhang, Jieying","Gu, Dongdi","Zhang, Yang",,
 ACCT,2301,003,8,11,18,6,6,,2,3,5,,3,,1,,,,4,,"Ozel, Naim Bugra","Zhang, Jieying","Gu, Dongdi","Zhang, Yang",,
diff --git a/parser/gradeLoader.go b/parser/gradeLoader.go
index bc6abdc..ec63150 100644
--- a/parser/gradeLoader.go
+++ b/parser/gradeLoader.go
@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 )
 
@@ -126,22 +127,19 @@ func csvToMap(csvFile *os.File, logFile *os.File) map[string][]int {
 
 	for _, record := range records {
 		// convert grade distribution from string to int
-		intSlice := make([]int, 0, 13)
-		var tempInt int
+		intSlice := [14]int{}
 
 		for j := 0; j < 13; j++ {
-			fmt.Sscan(record[aPlusCol+j], &tempInt)
-			intSlice = append(intSlice, tempInt)
+			intSlice[j], _ = strconv.Atoi(record[aPlusCol+j])
 		}
 		// add w number to the grade_distribution slice
 		if wCol != -1 {
-			fmt.Sscan(record[wCol], &tempInt)
+			intSlice[13], _ = strconv.Atoi(record[wCol])
 		}
-		intSlice = append(intSlice, tempInt)
 
 		// add new grade distribution to map, keyed by SUBJECT + NUMBER + SECTION
 		distroKey := record[subjectCol] + record[catalogNumberCol] + record[sectionCol]
-		distroMap[distroKey] = intSlice
+		distroMap[distroKey] = intSlice[:]
 	}
 	return distroMap
 }
diff --git a/parser/sectionParser.go b/parser/sectionParser.go
index 316cd13..12566d1 100644
--- a/parser/sectionParser.go
+++ b/parser/sectionParser.go
@@ -62,7 +62,9 @@ func parseSection(courseRef *schema.Course, classNum string, syllabusURI string,
 
 	semesterGrades, exists := GradeMap[session.Name]
 	if exists {
-		sectionGrades, exists := semesterGrades[courseRef.Subject_prefix+courseRef.Course_number+section.Section_number]
+		// We have to trim leading zeroes from the section number in order to match properly, since the grade data does not use leading zeroes
+		trimmedSectionNumber := strings.TrimLeft(section.Section_number, "0")
+		sectionGrades, exists := semesterGrades[courseRef.Subject_prefix+courseRef.Course_number+trimmedSectionNumber]
 		if exists {
 			section.Grade_distribution = sectionGrades
 		}