diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..5008ddf
Binary files /dev/null and b/.DS_Store differ
diff --git a/DB.Browser.for.SQLite-v3.13.1-win32.msi b/DB.Browser.for.SQLite-v3.13.1-win32.msi
deleted file mode 100644
index 5895fbf..0000000
Binary files a/DB.Browser.for.SQLite-v3.13.1-win32.msi and /dev/null differ
diff --git a/SQL_statement_insert_homeroom_teachers.txt b/SQL_statement_insert_homeroom_teachers.txt
new file mode 100644
index 0000000..bc73983
--- /dev/null
+++ b/SQL_statement_insert_homeroom_teachers.txt
@@ -0,0 +1,45 @@
+{\rtf1\ansi\ansicpg1252\cocoartf2818
+\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+{\*\expandedcolortbl;;}
+\paperw11900\paperh16840\margl1440\margr1440\vieww11900\viewh14080\viewkind1
+\pard\tx566\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\pardirnatural\partightenfactor0
+
+\f0\fs24 \cf0 INSERT INTO classes (class_name, classroom, parent_room, teacher_name, internal_number, mobile_number) VALUES\
+('1\uc0\u1040 ', '\u1042 4', '\u1042 4', '\u1052 \u1080 \u1083 \u1086 \u1074 \u1072 \u1085 \u1086 \u1074 \u1072  \u1045 \u1083 \u1077 \u1085 \u1072  \u1048 \u1075 \u1086 \u1088 \u1077 \u1074 \u1085 \u1072 ', '5204', '7(999) 111-22-33'),\
+('1\uc0\u1042 ', '\u1042 5', '\u1042 5', '\u1059 \u1075 \u1083 \u1103 \u1088  \u1054 \u1082 \u1089 \u1072 \u1085 \u1072  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5205', '7(999) 222-33-44'),\
+('1C', '\uc0\u1042 6', '\u1042 6', '\u1053 \u1086 \u1074 \u1080 \u1094 \u1082 \u1072 \u1103  \u1070 \u1083 \u1080 \u1103  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5206', '7(999) 333-44-55'),\
+('2A', '\uc0\u1042 7', '\u1042 7', '\u1052 \u1091 \u1088 \u1076 \u1072 \u1089 \u1086 \u1074 \u1072  \u1045 \u1083 \u1077 \u1085 \u1072  \u1040 \u1085 \u1076 \u1088 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5207', '7(999) 444-55-66'),\
+('2B', '\uc0\u1042 8', '\u1042 8', '\u1050 \u1085 \u1099 \u1096 \u1077 \u1074 \u1072  \u1070 \u1083 \u1080 \u1103  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1077 \u1074 \u1085 \u1072 ', '5208', '7(999) 555-66-77'),\
+('2C', '\uc0\u1042 9', '\u1042 9', '\u1043 \u1080 \u1083 \u1082 \u1086  \u1057 \u1074 \u1077 \u1090 \u1083 \u1072 \u1085 \u1072  \u1052 \u1080 \u1093 \u1072 \u1081 \u1083 \u1086 \u1074 \u1085 \u1072 ', '3038', '7(999) 666-77-88'),\
+('3A', '\uc0\u1040 1', '\u1040 1', '\u1044 \u1091 \u1076 \u1072 \u1088 \u1077 \u1074 \u1072  \u1044 \u1072 \u1088 \u1100 \u1103  \u1040 \u1083 \u1077 \u1082 \u1089 \u1072 \u1085 \u1076 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5101', '7(999) 777-88-99'),\
+('3B', '\uc0\u1040 2', '\u1040 2', '\u1050 \u1072 \u1087 \u1091 \u1089 \u1090 \u1080 \u1085 \u1072  \u1070 \u1083 \u1080 \u1103  \u1055 \u1077 \u1090 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5102', '7(999) 888-99-00'),\
+('3C', '\uc0\u1040 3', '\u1040 3', '\u1050 \u1086 \u1076 \u1080 \u1088 \u1086 \u1074 \u1072  \u1048 \u1088 \u1080 \u1085 \u1072  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5103', '7(999) 999-00-11'),\
+('4A', '\uc0\u1040 6', '\u1040 6', '\u1050 \u1088 \u1099 \u1083 \u1086 \u1074 \u1072  \u1040 \u1085 \u1072 \u1089 \u1090 \u1072 \u1089 \u1080 \u1103  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5106', '7(999) 000-11-22'),\
+('4B', '\uc0\u1040 7', '\u1040 7', '\u1048 \u1074 \u1072 \u1085 \u1080 \u1089 \u1086 \u1074 \u1072  \u1040 \u1085 \u1085 \u1072  \u1048 \u1075 \u1086 \u1088 \u1077 \u1074 \u1085 \u1072 ', '5107', '7(999) 111-00-99'),\
+('4C', '\uc0\u1040 8', '\u1040 8', '\u1055 \u1072 \u1088 \u1096 \u1077 \u1085 \u1082 \u1086 \u1074 \u1072  \u1051 \u1091 \u1080 \u1079 \u1072  \u1056 \u1086 \u1084 \u1072 \u1085 \u1086 \u1074 \u1085 \u1072 ', '5108', '7(999) 222-11-88'),\
+('5A', '\uc0\u1057 23', '\u1057 23', '\u1044 \u1103 \u1082 \u1080 \u1085 \u1072  \u1048 \u1088 \u1080 \u1085 \u1072  \u1054 \u1083 \u1077 \u1075 \u1086 \u1074 \u1085 \u1072 ', '5323', '7(999) 333-22-77'),\
+('5B', '\uc0\u1042 17', '\u1042 17', '\u1053 \u1080 \u1082 \u1080 \u1090 \u1080 \u1085 \u1072  \u1055 \u1086 \u1083 \u1080 \u1085 \u1072  \u1040 \u1085 \u1076 \u1088 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5217', '7(999) 444-33-66'),\
+('5C', '\uc0\u1042 18', '\u1042 18', '\u1061 \u1086 \u1076 \u1099 \u1082 \u1080 \u1085 \u1072  \u1051 \u1080 \u1083 \u1080 \u1103  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5218', '7(999) 555-44-55'),\
+('5D', '\uc0\u1040 12', '\u1042 19', '\u1056 \u1086 \u1084 \u1072 \u1085 \u1086 \u1074  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1081  \u1040 \u1083 \u1077 \u1082 \u1089 \u1072 \u1085 \u1076 \u1088 \u1086 \u1074 \u1080 \u1095 ', '5112', '7(999) 666-55-44'),\
+('5E', '\uc0\u1057 25', '\u1057 25', '\u1059 \u1082 \u1083 \u1077 \u1080 \u1085 \u1072  \u1048 \u1088 \u1080 \u1085 \u1072  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5325', '7(999) 777-66-33'),\
+('6A', '\uc0\u1057 21', '\u1057 21', '\u1057 \u1080 \u1083 \u1072 \u1085 \u1090 \u1100 \u1077 \u1074 \u1072  \u1044 \u1072 \u1088 \u1100 \u1103  \u1048 \u1075 \u1086 \u1088 \u1077 \u1074 \u1085 \u1072 ', '5201', '7(999) 888-77-22'),\
+('6B', '\uc0\u1042 31', '\u1057 24', '\u1064 \u1080 \u1096 \u1072 \u1082 \u1080 \u1085 \u1072  \u1045 \u1083 \u1080 \u1079 \u1072 \u1074 \u1077 \u1090 \u1072  \u1040 \u1085 \u1076 \u1088 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5231', '7(999) 999-88-11'),\
+('6C', '\uc0\u1057 22', '\u1057 22', '\u1042 \u1086 \u1083 \u1082 \u1086 \u1074 \u1072  \u1054 \u1083 \u1100 \u1075 \u1072  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1077 \u1074 \u1085 \u1072 ', '5322', '7(999) 000-99-00'),\
+('6D', '\uc0\u1042 03', '\u1057 26', '\u1055 \u1077 \u1089 \u1090 \u1086 \u1074 \u1072  \u1055 \u1086 \u1083 \u1080 \u1085 \u1072  \u1052 \u1080 \u1093 \u1072 \u1081 \u1083 \u1086 \u1074 \u1085 \u1072 ', '5203', '7(999) 111-22-99'),\
+('7A', '\uc0\u1057 4', '\u1057 4', '\u1041 \u1072 \u1088 \u1086 \u1084 \u1099 \u1095 \u1077 \u1085 \u1082 \u1086  \u1053 \u1072 \u1090 \u1072 \u1083 \u1080 \u1103  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5304', '7(999) 222-33-88'),\
+('7B', '\uc0\u1057 29', '\u1057 29', '\u1040 \u1083 \u1080 \u1077 \u1074 \u1072  \u1042 \u1077 \u1085 \u1077 \u1088 \u1072  \u1040 \u1083 \u1077 \u1082 \u1089 \u1072 \u1085 \u1076 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5329', '7(999) 333-44-77'),\
+('7C', '\uc0\u1057 28', '\u1057 28', '\u1052 \u1080 \u1085 \u1072 \u1077 \u1074 \u1072  \u1044 \u1072 \u1088 \u1100 \u1103  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5328', '7(999) 444-55-66'),\
+('7D', '\uc0\u1057 27', '\u1057 27', '\u1050 \u1102 \u1095 \u1102 \u1082 \u1076 \u1078 \u1072 \u1085  \u1040 \u1085 \u1085 \u1072  \u1048 \u1075 \u1086 \u1088 \u1077 \u1074 \u1085 \u1072 ', '5327', '7(999) 555-66-55'),\
+('7E', '\uc0\u1057 6', '\u1057 6', '\u1042 \u1080 \u1085 \u1086 \u1082 \u1091 \u1088 \u1086 \u1074 \u1072  \u1051 \u1102 \u1076 \u1084 \u1080 \u1083 \u1072  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1077 \u1074 \u1085 \u1072 ', '5306', '7(999) 666-77-44'),\
+('8A', '\uc0\u1057 2', '\u1057 2', '\u1061 \u1088 \u1072 \u1084 \u1086 \u1074 \u1072  \u1040 \u1085 \u1085 \u1072  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5302', '7(999) 777-88-33'),\
+('8\uc0\u1042 ', '\u1042 11', '\u1057 10', '\u1052 \u1080 \u1096 \u1091 \u1088 \u1086 \u1074  \u1048 \u1083 \u1100 \u1103  \u1040 \u1083 \u1077 \u1082 \u1089 \u1072 \u1085 \u1076 \u1088 \u1086 \u1074 \u1080 \u1095 ', '5211', '7(999) 888-99-22'),\
+('8C', '\uc0\u1042 30', '\u1057 12', '\u1045 \u1084 \u1077 \u1083 \u1100 \u1103 \u1085 \u1086 \u1074 \u1072  \u1055 \u1086 \u1083 \u1080 \u1085 \u1072  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5230', '7(999) 999-00-11'),\
+('8D', '\uc0\u1042 12', '\u1057 13', '\u1048 \u1089 \u1072 \u1077 \u1074 \u1072  \u1052 \u1072 \u1088 \u1080 \u1103  \u1048 \u1075 \u1086 \u1088 \u1077 \u1074 \u1085 \u1072 ', '5212', '7(999) 000-11-00'),\
+('9\uc0\u1040 ', '\u1057 17', '\u1057 17', '\u1056 \u1086 \u1090 \u1086 \u1074  \u1070 \u1088 \u1080 \u1081  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1080 \u1095 ', '5317', '7(999) 111-22-99'),\
+('9\uc0\u1042 ', '\u1057 7', '\u1057 7', '\u1051 \u1091 \u1075 \u1086 \u1074 \u1094 \u1077 \u1074 \u1072  \u1040 \u1085 \u1072 \u1089 \u1090 \u1072 \u1089 \u1080 \u1103  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1077 \u1074 \u1085 \u1072 ', '5307', '7(999) 222-33-88'),\
+('9C', '\uc0\u1057 3', '\u1057 3', '\u1043 \u1091 \u1083 \u1103 \u1085 \u1086 \u1074  \u1040 \u1083 \u1077 \u1082 \u1089 \u1077 \u1081  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1080 \u1095 ', '5303', '7(999) 333-44-77'),\
+('10\uc0\u1040 ', '\u1057 30', '\u1057 30', '\u1043 \u1088 \u1080 \u1096 \u1080 \u1085 \u1072  \u1053 \u1072 \u1090 \u1072 \u1083 \u1080 \u1103  \u1054 \u1083 \u1077 \u1075 \u1086 \u1074 \u1085 \u1072 ', '5330', '7(999) 444-55-66'),\
+('10\uc0\u1042 ', '\u1057 5', '\u1057 5', '\u1040 \u1085 \u1090 \u1086 \u1085 \u1086 \u1074 \u1072  \u1044 \u1072 \u1088 \u1100 \u1103  \u1042 \u1083 \u1072 \u1076 \u1080 \u1084 \u1080 \u1088 \u1086 \u1074 \u1085 \u1072 ', '5305', '7(999) 555-66-55'),\
+('10C', '\uc0\u1057 20', '\u1057 20', '\u1050 \u1086 \u1084 \u1083 \u1077 \u1074 \u1072  \u1048 \u1085 \u1075 \u1072  \u1057 \u1077 \u1088 \u1075 \u1077 \u1077 \u1074 \u1085 \u1072 ', '5320', '7(999) 666-77-44'),\
+('11\uc0\u1040 ', '\u1051 \u1077 \u1082 \u1090 \u1086 \u1088 \u1080 \u1081 ', '\u1051 \u1077 \u1082 \u1090 \u1086 \u1088 \u1080 \u1081 ', '\u1042 \u1072 \u1089 \u1080 \u1083 \u1100 \u1077 \u1074 \u1072  \u1040 \u1085 \u1072 \u1089 \u1090 \u1072 \u1089 \u1080 \u1103  \u1044 \u1084 \u1080 \u1090 \u1088 \u1080 \u1077 \u1074 \u1085 \u1072 ', '5200', '7(999) 777-88-33');}
\ No newline at end of file
diff --git a/SQLiteDatabaseBrowserPortable_3.13.1.paf.exe b/SQLiteDatabaseBrowserPortable_3.13.1.paf.exe
deleted file mode 100644
index cf6e306..0000000
Binary files a/SQLiteDatabaseBrowserPortable_3.13.1.paf.exe and /dev/null differ
diff --git a/school_classes.db b/school_classes.db
new file mode 100644
index 0000000..f2888d5
Binary files /dev/null and b/school_classes.db differ
diff --git a/school_classes.db-journal b/school_classes.db-journal
new file mode 100644
index 0000000..955a639
Binary files /dev/null and b/school_classes.db-journal differ