How to become bilingual in Spanish

Do you already have an advanced level in Spanish, but want to become bilingual and master the Cervantes language perfectly, like a native?
In this case, you will have to keep pushing yourself. Private Spanish classes are not enough to master all aspects of this complex language, whether in written and oral comprehension or in written and oral expression. Learning Spanish in Spain will help you consolidate your knowledge .
Do your higher studies in Spain; it is a good opportunity to be bilingual.
To become bilingual, you have to practice the language on a daily basis and be able to use it in any circumstance (daily life, professional activity, university studies, etc.). It also implies:
Know the habits and customs,
Master the different language registers,
Have fluent oral expression,
Think in spanish,
Be able to read and write effortlessly automatically, etc.
The C2 level of the CEFR (Common European Framework of Reference for Languages) corresponds to a level of proficiency that, although it does not coincide with the skills of a native speaker, is close to the maximum, both in writing and speaking. You can certify your level through a knowledge test, such as the DELE.
To achieve that level of Spanish, the ideal is to  enjoy total immersion . To complete your training in Spanish, the best option is to go to Spain or to a Spanish-speaking country for a long stay.
It can be to do a university course, participate in an exchange program such as Erasmus and  study in Spain,  take an intensive Spanish course in Spain, work, do an internship … There are many opportunities to learn Spanish in Spain or anywhere else country of the Spanish-speaking world.
You will learn to speak Spanish in your day to day, you will speak with natives and you will learn to make yourself understood, you will discover the Spanish culture and civilization and you will make Spanish friends who will help you progress. How to become bilingual in Spanish