Marx Arriaga: Former SEP Director Faces Protests & Rejects Costa Rica Ambassadorship

The dismissal of Marx Arriaga Navarro, formerly Director General of Educational Materials at Mexico’s Secretariat of Public Education (SEP), has escalated from a bureaucratic shakeup to a public spectacle, culminating in a contentious departure from his post and a less-than-welcoming reception in his hometown. The situation underscores deeper divisions within Mexico’s education policy and raises questions about the direction of curriculum development under the current administration.

Arriaga’s removal on February 13th, followed months of criticism surrounding his overhaul of public school textbooks. Opponents characterized the changes as ideologically driven and lacking academic rigor, accusing him of prioritizing partisan narratives over sound pedagogy. Teachers’ unions and education specialists voiced concerns that Arriaga sidelined expert input and rushed the implementation of new materials, creating disruption in classrooms nationwide.

The exit itself was far from amicable. Reports detail Arriaga’s initial refusal to leave his office at SEP headquarters, leading to a standoff with security personnel and, the involvement of Mexico City police. Witnesses described a tense scene as officers escorted him from the building, with Arriaga reportedly insisting his position had been “erased” without due process. He even took his framed portrait of Karl Marx with him as he left, a symbolic gesture highlighting his ideological stance.

Following his removal from the SEP building, Arriaga announced plans to publicly denounce what he termed “institutional violence” against him, holding a press conference to address the situation. He initially retreated to his home city of Ciudad Juárez, where he was met with protests upon arrival on February 18th. Demonstrators, holding signs with slogans like “los libros no son tuyos” (“the books are not yours”), voiced their opposition to his policies and the changes he implemented to the national curriculum.

Arriaga, however, maintained that his return to Chihuahua was simply to resume his career as a teacher. He stated he would be returning to the classroom, but offered no further comment to the assembled media at the airport, quickly departing in a black vehicle.

The controversy has reached the highest levels of the Mexican government. President Claudia Sheinbaum vehemently denied that Arriaga’s dismissal represented a betrayal of the movement initiated by former President Andrés Manuel López Obrador. “Nadie está traicionando el movimiento,” she stated, emphasizing that the situation was not about loyalty to López Obrador, but rather about continuing progress and moving forward.

Adding another layer to the unfolding drama, Education Secretary Mario Delgado revealed that an attempt was made to offer Arriaga a diplomatic post as a means of smoothing his transition out of the SEP. He disclosed that Arriaga was offered the opportunity to serve as Mexico’s ambassador to a Latin American country, an offer he ultimately rejected.

Arriaga later confirmed the offer, specifically identifying Costa Rica as the country to which he was proposed as ambassador. However, he explained his decision to decline, stating, “Me ofreció una embajada para que dejara este puesto y permitiera que se cambiara; y sí, es verdad, la ofreció y no la quise tomar, porque no iba a traicionar a la base magisterial” (“He offered me an embassy to leave this position and allow it to be changed; and yes, it’s true, he offered it and I didn’t want to take it, because I wasn’t going to betray the teaching base”). This suggests Arriaga views his departure as a matter of principle, prioritizing solidarity with his fellow educators over personal advancement.

The situation highlights the complex political landscape surrounding education reform in Mexico. While supporters of Arriaga praised his efforts to democratize textbook creation and incorporate diverse perspectives, critics argued that the reforms compromised educational quality and injected political bias into the classroom. The controversy surrounding his tenure is likely to fuel further debate about the future of education in Mexico and the balance between ideological considerations and academic standards.

As of February 19th, 2026, the SEP has yet to issue an official statement regarding the specifics of Arriaga’s dismissal, leaving many questions unanswered and fueling speculation about the motivations behind the decision. The lack of transparency from the government has only intensified the controversy and contributed to the perception of a politically charged removal.