diff --git a/server/controller/PrimerSemestre/graficas.js b/server/controller/CarreraHorario/monitor.js
similarity index 69%
rename from server/controller/PrimerSemestre/graficas.js
rename to server/controller/CarreraHorario/monitor.js
index 8384268..87a33dc 100644
--- a/server/controller/PrimerSemestre/graficas.js
+++ b/server/controller/CarreraHorario/monitor.js
@@ -1,16 +1,10 @@
-const moment = require('moment');
-const { Op } = require('sequelize');
-const helperPath = '../../helper';
-const helper = require(`${helperPath}/helper`);
-const encriptar = require(`${helperPath}/encriptar`);
 const dbPath = '../../db/tablas';
 const Carrera = require(`${dbPath}/Carrera`);
 const CarreraHorario = require(`${dbPath}/CarreraHorario`);
-const Grupo = require(`${dbPath}/Grupo`);
 const Horario = require(`${dbPath}/Horario`);
 const PrimerSemestre = require(`${dbPath}/PrimerSemestre`);
 
-const get = async (body) => {
+const monitor = async (body) => {
   return CarreraHorario.findAll({
     include: [{ model: Horario }, { model: Carrera }],
     order: ['idHorario'],
@@ -28,4 +22,4 @@ const get = async (body) => {
   });
 };
 
-module.exports = get;
+module.exports = monitor;
diff --git a/server/controller/PrimerSemestre/asistencia.js b/server/controller/PrimerSemestre/asistencia.js
new file mode 100644
index 0000000..ed82c61
--- /dev/null
+++ b/server/controller/PrimerSemestre/asistencia.js
@@ -0,0 +1,24 @@
+const helperPath = '../../helper';
+const validar = require(`${helperPath}/validar`);
+const dbPath = '../../db/tablas';
+const PrimerSemestre = require(`${dbPath}/PrimerSemestre`);
+
+const asistencia = async (body) => {
+  const idPrimerSemestre = validar.validarId(body.idPrimerSemestre);
+
+  return PrimerSemestre.findOne({ where: { idPrimerSemestre } })
+    .then((res) => {
+      if (!res) throw new Error('No existe este alumno.');
+      if (res.asistio)
+        throw new Error('Ya fue registrada la asistencia de este alumno.');
+      return PrimerSemestre.update(
+        { asistio: true },
+        { where: { idPrimerSemestre } }
+      );
+    })
+    .then((res) => ({
+      message: 'Se registro correctamente la asistencia de este alumno.',
+    }));
+};
+
+module.exports = asistencia;
diff --git a/server/controller/PrimerSemestre/asistentes.js b/server/controller/PrimerSemestre/asistentes.js
new file mode 100644
index 0000000..9248a3a
--- /dev/null
+++ b/server/controller/PrimerSemestre/asistentes.js
@@ -0,0 +1,17 @@
+const helperPath = '../../helper';
+const validar = require(`${helperPath}/validar`);
+const dbPath = '../../db/tablas';
+const Carrera = require(`${dbPath}/Carrera`);
+const Grupo = require(`${dbPath}/Grupo`);
+const PrimerSemestre = require(`${dbPath}/PrimerSemestre`);
+
+const asistentes = async (body) => {
+  const idHorario = validar.validarId(body.idHorario);
+
+  return PrimerSemestre.findAll({
+    where: { idHorario },
+    include: [{ model: Grupo, include: [{ model: Carrera }] }],
+  });
+};
+
+module.exports = asistentes;
diff --git a/server/controller/PrimerSemestre/csv.js b/server/controller/PrimerSemestre/csv.js
index e109480..322392a 100644
--- a/server/controller/PrimerSemestre/csv.js
+++ b/server/controller/PrimerSemestre/csv.js
@@ -1,5 +1,5 @@
-const { convertArrayToCSV } = require('convert-array-to-csv');
 const moment = require('moment');
+const { convertArrayToCSV } = require('convert-array-to-csv');
 const helperPath = '../../helper';
 const helper = require(`${helperPath}/helper`);
 const encriptar = require(`${helperPath}/encriptar`);
@@ -9,7 +9,7 @@ const Grupo = require(`${dbPath}/Grupo`);
 const Horario = require(`${dbPath}/Horario`);
 const PrimerSemestre = require(`${dbPath}/PrimerSemestre`);
 
-const get = async (body) => {
+const csv = async (body) => {
   const path = `server/uploads/primer_semestre.csv`;
   const data = [];
 
@@ -54,4 +54,4 @@ const get = async (body) => {
     .then((res) => path);
 };
 
-module.exports = get;
+module.exports = csv;
diff --git a/server/controller/PrimerSemestre/registrar.js b/server/controller/PrimerSemestre/registrar.js
index 8bcc1a2..e0c7b5c 100644
--- a/server/controller/PrimerSemestre/registrar.js
+++ b/server/controller/PrimerSemestre/registrar.js
@@ -9,7 +9,7 @@ const Horario = require(`${dbPath}/Horario`);
 const Grupo = require(`${dbPath}/Grupo`);
 const PrimerSemestre = require(`${dbPath}/PrimerSemestre`);
 
-const get = async (body) => {
+const registrar = async (body) => {
   const idCarrera = validar.validarId(body.idCarrera);
   const idGrupo = validar.validarId(body.idGrupo);
   const idHorario = validar.validarId(body.idHorario);
@@ -82,4 +82,4 @@ const get = async (body) => {
     }));
 };
 
-module.exports = get;
+module.exports = registrar;
diff --git a/server/controller/TercerSemestre/asistencia.js b/server/controller/TercerSemestre/asistencia.js
new file mode 100644
index 0000000..e69de29
diff --git a/server/controller/TercerSemestre/asistentes.js b/server/controller/TercerSemestre/asistentes.js
new file mode 100644
index 0000000..e69de29
diff --git a/server/controller/TercerSemestre/monitor.js b/server/controller/TercerSemestre/monitor.js
new file mode 100644
index 0000000..e69de29
diff --git a/server/routes/CarreraHorario.js b/server/routes/CarreraHorario.js
index ba647f1..9298847 100644
--- a/server/routes/CarreraHorario.js
+++ b/server/routes/CarreraHorario.js
@@ -3,7 +3,9 @@ const app = express();
 const route = '/carrera_horario';
 const controllerPath = '../controller/CarreraHorario';
 const get = require(`${controllerPath}/get`);
+const monitor = require(`${controllerPath}/monitor`);
 
+// GET
 app.get(`${route}`, (req, res) => {
   return get(req.query)
     .then((data) => {
@@ -14,4 +16,14 @@ app.get(`${route}`, (req, res) => {
     });
 });
 
+app.get(`${route}/monitor`, (req, res) => {
+  return monitor(req.body)
+    .then((data) => {
+      res.status(200).json(data);
+    })
+    .catch((err) => {
+      res.status(400).json({ message: err.message });
+    });
+});
+
 module.exports = app;
diff --git a/server/routes/PrimerSemestre.js b/server/routes/PrimerSemestre.js
index c62403f..a3760d1 100644
--- a/server/routes/PrimerSemestre.js
+++ b/server/routes/PrimerSemestre.js
@@ -3,7 +3,6 @@ const app = express();
 const route = '/primer_semestre';
 const controllerPath = '../controller/PrimerSemestre';
 const csv = require(`${controllerPath}/csv`);
-const graficas = require(`${controllerPath}/graficas`);
 const registrar = require(`${controllerPath}/registrar`);
 
 // POST
@@ -28,14 +27,5 @@ app.post(`${route}/registrar`, (req, res) => {
 });
 
 // GET
-app.get(`${route}/graficas`, (req, res) => {
-  return graficas(req.body)
-    .then((data) => {
-      res.status(200).json(data);
-    })
-    .catch((err) => {
-      res.status(400).json({ message: err.message });
-    });
-});
 
 module.exports = app;