School difficulties in CCSs are plural and induce a real impact on their QOL [8]. These difficulties remain frequent in CCSs, with a higher prevalence than children with chronic diseases [13,11,17]. The prevalence of these difficulties varies between studies and countries, and such a variation can be explained by the differences in the national educational systems of each country [9]. Nevertheless, from 22% to 41% of CCSs reported school difficulties [18–20].

In the context of childhood cancer, intensive treatments are needed to obtain remission. These treatments are carried out in a hospital, with repeated periods of hospitalization lasting several days. In addition, treatments induce physical health problems, notably asthenia and discomfort [19]. These consequences remove the child from school during active treatment, and absenteeism is reported as the most important problem associated with school difficulties [11,18,20–22]. This absenteeism represents a significant loss of time in school, and may be increased in case of severe diseases or relapses, which require longer and more intensive treatments in hospital [23,24].

The teacher’s point of view

In France, children aged from 3 to 18 years at a cancer diagnosis are eligible to a scholar support called APADHE (Accompagnement Pédagogique A Domicile, à l'Hôpital ou à l'Ecole). APADHE consists of teachers at home. I insist on this help for children from the age of four (second year of school in France), in order to limit the occurrence of school difficulties. Indeed, the rules of school life, oral expression and good posture are important skills to acquire as soon as possible. In France, children aged from three to five may receive two hours of support, from six to eleven four hours, from twelve to fifteen six hours, and from sixteen to eighteen eight hours.

The APADHE support is particularly efficient for young children. Teachers from the child’s school are frequently volunteers to teach at home. But in some areas, particularly the most deprived, we are faced with a lack of teachers, and volunteers are rarer. In these cases, the situation is difficult and the permanent help of a parent may be key to ensure that schooling continues. For these children, the combination of APADHE with the school at the hospital is efficient and children do not present difficulties upon reintegration into school.

For children over twelve years, volunteers are rare because children attend different classes with different teachers for each one, and we can understand that not all of the teachers can be available to provide full schooling support at home.

To compensate for the absenteeism, video conferencing and connected robots are available. Therefore, a child can attend a virtual class at the same time as peers. However, in real life, the installation of these robots is not easy. It requires time and investment from the school to ensure a good connection. Plus, an important financial contribution is required from the academy, and limits the number of robots available.

Whatever the age of the child, motivation is key for the success of the scholar achievement, particularly in this challenging situation.

CCSs with cancer suffer from a lack of socialization due to absenteeism and with important loss of time with peers [23,25]. Borrescio-Higa et al. described up to 80% of children with blood disorders with difficulties meeting with friends or carrying out hobbies or sports because of the cancer during the treatment in hospital [25]. When CCSs are back to school, 22% of them suffered from a lack of friends with difficulties in inclusion at school [19,23]. Barrera et al. described 19% of CCSs with no close friends, and these children are 58% less likely to use friends as confidants [18]. CCSs are at risk of mental conditions– anxiety and depression–sometimes occurring several years after the cancer diagnosis and treatment [7,22,26]. Poor social experiences may potentiate these psychological difficulties and may alert educational staff to detect symptoms.

The teacher’s point-of-view:

The absenteeism may increase the risk of rupture of the social link with the peers. This lack of socialization is one of the limits of the school at home.

For the youngest, a link is frequently maintained between the child and his class (letters, drawings, videos for the child). Frequently, the teacher who helps with the schooling at home is the one of the child’s class, which facilitates the link with the school of “outside”.

On request by a child or its parents, and with the agreement of both parties, I and one of the nurses of the pediatric oncology unit can propose interventions in classes to explain the absenteeism of the child, and its disease, and anticipate a return. Therefore, the child keeps his place in class, and is awaited by his peers... so the return is quite easy!

However, things are more complicated in high school and college. Indeed, a lot of children do not have contact with their peers, and teachers who come at home are not necessarily attached to the child’s school... Social media can help to keep the link with peers. The Majority of adolescents use this tool, but the best option remains real contact with the other children. Therefore, pediatricians can authorize occasional returns to school, depending on the child’s physical condition.

Consequences of these difficulties can occur, and CCSs are at risk of repeated grades and have lower academic marks resulting from impairments in verbal learning and physical [10,13,18,19,21]. Rates of repeated grades vary between countries, but a high rate was noted up to 21% in the Canadian population [10,13,21]. Exclusion from sportive activities proposed at school can occur secondary to physical sequelae induced by cancer or its treatment, notably surgery [27,28]. Indeed, these types of sequelae can be frequent, reported in 67% of patients with osteosarcoma in a cohort of 694 tumor bone survivors [28]. Impaired motor functions can also be seen in children with CNS tumors who are three times more likely than siblings to report physical performance limitations [27,29]. Overall, CCSs reported 18% of deficits in physical performance, resulting in weakness, decreasing activity and fatigue during intensive treatment, which can persist and become a long-term problem [18,27].

Assessing children’s scholarly difficulties prior to diagnosis is important, because children who are already facing difficulties are particularly vulnerable to scholarly consequences during the post-cancer period [23].

Children with CNS tumors represent the population most at risk of school difficulties with significantly lower levels of QOL [8,10,29,30]. Even before diagnosis, the symptoms caused by a CNS tumor can be severe, and potential neurological dysfunctions can affect the continuation of schooling. Indeed, visual symptoms, headache, irritability, and motor impairments can be noted [31–33]. During the post-treatment period, major learning disabilities are noted, with delays in passing grade exams, significant difficulties in numeracy and reading, and an impact on physical education [6,19,34]. Plus, a meta-analysis conducted by Wang et al. in 2022 reported a higher rate of attention problems, emotional difficulties and psychosocial problems in pediatric brain tumor survivors [35]. Indeed, social inclusion with pairs remains a challenge for CCSs with CNS tumors, who are likely to have no close friends and therefore, can suffer from psychological distress [18,36]. These difficulties can be potentiated by absenteeism, CCSs with CNS tumors miss significantly more school than survivors with other tumors do [11,19]. In this population, young age at diagnosis may be a prognosis [6,10,30], and age thresholds from six to nine years have been proposed as predictive factors for cognitive impairment [10,20,30]. In the long term, the risk of unemployment in adulthood is important, CCSs with CNS tumors are five times more likely to be unemployed [11,36,37].

All aggressions of the cerebral tissue are at risk of cognitive consequences, and this explains the risk associated with CNS-directed therapies [7,13,20,21,36]. Cranial radiation therapy is well known to be dangerous on cognition, but also growth, sensorial and endocrine functions, notably for young children [38–41]. Plus, clinicians need to be careful with neurotoxic chemotherapy. Indeed, the use of intrathecal methotrexate may induce acute and chronic leukoencephalopathy, and pseudo-stroke syndrome [42–46]. Intrathecal chemotherapy with methotrexate and aracytine can also induce a cytotoxic action on the medullar cord, which can induce para or tetraplegia [47–51]. In the context of leukemia, de-escalation for children with CNS involvement cranial is promoted with a limitation of cranial irradiation in favor of intrathecal chemotherapy which presents rarer late effects [52].

CCSs with hemopathy seem less impacted by neurocognitive sequalae, but they remain at risk of difficulties in their educational achievement [6,7,10]. Indeed, CCSs with non-Hodgkin lymphoma presented with the risk of not graduating high school [7]. Intensification by hematopoietic stem cell transplantation (HSCT) increases the risk of school difficulties, 24% of children with HSCT did not graduate high school and 17% underwent emotional performance limitations [21,24]. Indeed, HSCT is an intensive treatment and requires protective confinement because of the high infectious risk for the child. Therefore, HSCT potentiates the absenteeism of the child.

Socio-economic status (SES) of the CCSs’ household influences the occurrence of school difficulties [6,8,13–15]. A strong link between SES and academic achievement is already known [53]. On a geographical scale evaluated by a deprivation score, the probability of presenting with school difficulties during the post-cancer period was significantly associated with social deprivation, an observation also retrieved in the CNS-tumors group [20,54]. At the individual scale, school difficulties are associated with the parental level of education, the family structure and ethnicity [13–15]. Higher parenting knowledge is associated with higher school QOL, and is therefore prognosis in global QOL in CCSs [8]. Plus, household SES impacts how the family is able to make up for the child’s absence from school [22]. Individual scholar support is available, but it requires financial contributions from families [23]. Families in deprived situations cannot access this support, and prevent the occurrence of difficulties [22]. Indeed, in the study published by Delehaye et al., learning difficulties were significantly associated with greater social deprivation, but the probability of benefitting from academic support was not [20]. Therefore, academic support seems to be equally shared between children according to a deprivation score, whereas there are higher needs in deprived areas. Besides, SES negatively moderates the relationship between school socialization and academics, and may compromise psychological well-being and academic achievement [55].

The teacher’s point-of-view:

For some parents during the intensive care period, school is not a priority and the care is the only subject of interest. In some cases, they can be reticent about the maintain of schooling during the intensive care period. This is the case for parents who have experienced difficulties in school themselves. This attitude is frequently observed in the context of poor social environment, and can compromise the child’s success and accentuate its difficulties to get out of it.

For example, I knew a child who presented already with academic difficulties in a deprived social context, and parents who strongly limited the support to school in favor of rest periods.

In these situations, we are more vigilant about the child’s academic continuation, and we insist on the school in hospital for compensation. However, these situations remain complex and can reflect the limits of the support we can offer during cancer.

Lack of adherence to a rigorous APADHE or similar helps by the family clearly increases the risk of scholar difficulties. Therefore, the child’s motivation to the scholar support seems influenced by their parents and socio-economic background.

Long-term consequences in CCSs vary between studies, but an impact on graduation and employment seems notable [9]. In a meta-analysis published in 2019, CCSs are less likely than controls to graduate from high school or university, but these results remained not significant when children with CNS tumors were excluded from analyses [56,57]. Even if CCSs present similar high school graduation rates to their siblings, the way to achieve graduation is harder, and the recourse to special education services is frequently noted [21,36]. Age at diagnosis can be important, cancer prior to adolescence may reduce the likelihood of graduating high school, but not university [57].

The risk of unemployment in adulthood is described in CCSs. Surprisingly, a rather positive employment rate can be noted [58,59]. However, CCSs are older when starting their first occupation with difficulties in accessing a steady job [58–60]. Factors such as younger age at cancer diagnosis, a CNS tumor, and a higher number of late effects put survivors at higher risk for unstable employment. Besides, it may compromise access to employment in which a good physical condition is required [59–61]. In a qualitative study published in 2022 by Ingrand et al., 30% of CCSs believe that their difficulties in obtaining a first occupation are related to their medical history [60]. To access employment, 23% of CCSs do not work in their initial file of study, being more likely to accept compromises in their job offers [60].