\begin{tikzpicture}[
  x=1cm,
  y=1cm,
  platz/.style={
    minimum width = 3cm,
    minimum height = 2cm,
    rectangle,
    draw,
  },
]
\pgfmathsetmacro\thirdRow{4}%
\pgfmathsetmacro\secondRow{10}%
\pgfmathsetmacro\firstRow{16}%

% teacher POV
\pgfmathsetmacro\leftRows{22}%
\pgfmathsetmacro\centerRows{11}%
\pgfmathsetmacro\rightRows{0}%

\node[platz, minimum width = 6cm] at ($(\rightRows + 1.5, \firstRow + 3)$) {Pult};

\node[platz] at (\leftRows, \firstRow) {Mehemmed};
\node[platz] at ($(\leftRows + 3, \firstRow)$) {Mihjialo};

\node[platz] at (\leftRows, \secondRow) {Carlo};
\node[platz] at ($(\leftRows + 3, \secondRow)$) {Maxim};

\node[platz] at (\leftRows, \thirdRow) {Marieke};
\node[platz] at ($(\leftRows + 3, \thirdRow)$) {Delin};

\node[platz] at (\centerRows, \firstRow) {Leo};
\node[platz] at (\centerRows + 3, \firstRow) {Joshua?};
\node[platz] at (\centerRows, \firstRow - 2) {Jakob};
\node[platz] at (\centerRows + 3, \firstRow - 2) {Gagik};
\node[platz] at (\centerRows, \firstRow - 4) {Jonas};
\node[platz] at (\centerRows + 3, \firstRow - 4) {Domenik};
\node[platz] at (\centerRows, \firstRow - 6) {David};
\node[platz] at (\centerRows + 3, \firstRow - 6) {Ben};
\node[platz] at (\centerRows, \firstRow - 8) {Taki};
\node[platz] at (\centerRows + 3, \firstRow - 8) {Malte};
\node[platz] at (\centerRows, \firstRow - 10) {Hannah};
\node[platz] at (\centerRows + 3, \firstRow - 10) {};
\node[platz] at (\centerRows, \firstRow - 12) {Lisa};
\node[platz] at (\centerRows + 3, \firstRow - 12) {Gregor};
\node[platz] at (\centerRows, \firstRow - 14) {Luisa};
\node[platz] at (\centerRows + 3, \firstRow - 14) {Luis};

\node[platz] at (\rightRows, \firstRow) {Vicky};
\node[platz] at ($(\rightRows + 3, \firstRow)$) {Alexia};

\node[platz] at (\rightRows, \secondRow) {Niklas};
\node[platz] at ($(\rightRows + 3, \secondRow)$) {Leon};

\node[platz] at (\rightRows, \thirdRow) {Anton?};
\node[platz] at ($(\rightRows + 3, \thirdRow)$) {Gustav?};

\node[platz] at (\leftRows+6, 0) {Prüfungskommission};
\end{tikzpicture}