The used buses could cost between $15,000 and $25,000 including maintenance and bus driver salaries, but officials predict savings of $1.86 million over 20 years.
The change more than makes up for a budget cut announced in March.
The spending plan nearly doubles, reflecting Einstein's takeover of Intercultural Charter School.
Enrollment rose steadily throughout the last school year, bucking trends some other schools experienced.
School official says The NET "wasn't ready" to tackle a 16-student program first pitched by Recovery School District officials.
Finance leader attributed the shortfall to unanticipated spending and lower than expected state revenues.
Also, three board members will be leaving.
RSD official disputes board member's claim that its OneApp database erroneously listed City Park Academy as full.
The committee meeting, unlike most, was packed with about 25 teachers, parents and other network staff.
The lack of a permanent building is costing the school more than $300,000 a year in rent and mortgage payments, board member says.