Montezuma Elementary (Data source)
Source data for Montezuma Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2458812 | 2342 | - | 2436 | = | -94 | * | (94 | / | 460) | = | -19.20869564 | ||
| 4 | 2458813 | 2393 | - | 2485 | = | -92 | * | (84 | / | 460) | = | -16.79999994 | ||
| 5 | 2458816 | 2401 | - | 2528 | = | -127 | * | (84 | / | 460) | = | -23.19130427 | ||
| 6 | 2458817 | 2454 | - | 2552 | = | -98 | * | (69 | / | 460) | = | -14.7 | ||
| 7 | 2458820 | 2444 | - | 2567 | = | -123 | * | (65 | / | 460) | = | -17.38043468 | ||
| 8 | 2458821 | 2438 | - | 2586 | = | -148 | * | (64 | / | 460) | = | -20.59130423 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montezuma Elementary | -112 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 74995 | 2376 | - | 2436 | = | -60 | * | (94 | / | 464) | = | -12.15517236 | ||
| 4 | 74998 | 2403 | - | 2485 | = | -82 | * | (82 | / | 464) | = | -14.49137923 | ||
| 5 | 74999 | 2432 | - | 2528 | = | -96 | * | (86 | / | 464) | = | -17.79310339 | ||
| 6 | 75002 | 2441 | - | 2552 | = | -111 | * | (72 | / | 464) | = | -17.22413784 | ||
| 7 | 75004 | 2485 | - | 2567 | = | -82 | * | (69 | / | 464) | = | -12.19396547 | ||
| 8 | 75006 | 2475 | - | 2586 | = | -111 | * | (61 | / | 464) | = | -14.59267239 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montezuma Elementary | -88 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 77004 | 2380 | - | 2436 | = | -56 | * | (88 | / | 463) | = | -10.64362846 | ||
| 4 | 77006 | 2391 | - | 2485 | = | -94 | * | (96 | / | 463) | = | -19.49028073 | ||
| 5 | 77008 | 2431 | - | 2528 | = | -97 | * | (70 | / | 463) | = | -14.66522669 | ||
| 6 | 77011 | 2431 | - | 2552 | = | -121 | * | (77 | / | 463) | = | -20.1231101 | ||
| 7 | 77012 | 2437 | - | 2567 | = | -130 | * | (65 | / | 463) | = | -18.25053984 | ||
| 8 | 77015 | 2478 | - | 2586 | = | -108 | * | (67 | / | 463) | = | -15.62850968 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montezuma Elementary | -99 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 77193 | 2397 | - | 2436 | = | -39 | * | (84 | / | 457) | = | -7.16849012 | ||
| 4 | 77196 | 2427 | - | 2485 | = | -58 | * | (74 | / | 457) | = | -9.39168486 | ||
| 5 | 77198 | 2430 | - | 2528 | = | -98 | * | (92 | / | 457) | = | -19.72866518 | ||
| 6 | 77199 | 2462 | - | 2552 | = | -90 | * | (69 | / | 457) | = | -13.58862138 | ||
| 7 | 77202 | 2444 | - | 2567 | = | -123 | * | (72 | / | 457) | = | -19.37855578 | ||
| 8 | 77203 | 2448 | - | 2586 | = | -138 | * | (66 | / | 457) | = | -19.92997808 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montezuma Elementary | -89 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 77716 | 2401 | - | 2436 | = | -35 | * | (81 | / | 456) | = | -6.21710523 | ||
| 4 | 77717 | 2428 | - | 2485 | = | -57 | * | (82 | / | 456) | = | -10.24999998 | ||
| 5 | 77718 | 2450 | - | 2528 | = | -78 | * | (69 | / | 456) | = | -11.80263154 | ||
| 6 | 77719 | 2475 | - | 2552 | = | -77 | * | (88 | / | 456) | = | -14.85964911 | ||
| 7 | 77720 | 2488 | - | 2567 | = | -79 | * | (68 | / | 456) | = | -11.78070175 | ||
| 8 | 77721 | 2483 | - | 2586 | = | -103 | * | (68 | / | 456) | = | -15.35964912 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montezuma Elementary | -70 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -112 | -88 | -99 | -89 | -70 | -458.0 | -91.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -46.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -136.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 82% | 90% | 85% | 82% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Montezuma Elementary math proficiency
Zero+ meets standard.
77% less $meal
84% less $meal
79% less $meal
78% less $meal
73% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.