Rio Calaveras Elementary (Data source)
Source data for Rio Calaveras 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 | 2465427 | 2423 | - | 2436 | = | -13 | * | (128 | / | 686) | = | -2.42565597 | ||
| 4 | 2465428 | 2475 | - | 2485 | = | -10 | * | (124 | / | 686) | = | -1.80758017 | ||
| 5 | 2465431 | 2500 | - | 2528 | = | -28 | * | (121 | / | 686) | = | -4.93877549 | ||
| 6 | 2465432 | 2547 | - | 2552 | = | -5 | * | (98 | / | 686) | = | -0.71428571 | ||
| 7 | 2465435 | 2548 | - | 2567 | = | -19 | * | (119 | / | 686) | = | -3.29591835 | ||
| 8 | 2465436 | 2560 | - | 2586 | = | -26 | * | (96 | / | 686) | = | -3.63848394 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio Calaveras Elementary | -17 | ||||||||||||
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 | 75192 | 2443 | - | 2436 | = | 7 | * | (123 | / | 710) | = | 1.21267605 | ||
| 4 | 75194 | 2484 | - | 2485 | = | -1 | * | (130 | / | 710) | = | -0.18309859 | ||
| 5 | 75195 | 2515 | - | 2528 | = | -13 | * | (127 | / | 710) | = | -2.32535211 | ||
| 6 | 75197 | 2542 | - | 2552 | = | -10 | * | (117 | / | 710) | = | -1.64788732 | ||
| 7 | 75199 | 2564 | - | 2567 | = | -3 | * | (95 | / | 710) | = | -0.40140845 | ||
| 8 | 75202 | 2562 | - | 2586 | = | -24 | * | (118 | / | 710) | = | -3.98873239 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio Calaveras Elementary | -7 | ||||||||||||
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 | 77202 | 2432 | - | 2436 | = | -4 | * | (86 | / | 672) | = | -0.51190476 | ||
| 4 | 77205 | 2492 | - | 2485 | = | 7 | * | (122 | / | 672) | = | 1.27083333 | ||
| 5 | 77207 | 2508 | - | 2528 | = | -20 | * | (124 | / | 672) | = | -3.69047618 | ||
| 6 | 77208 | 2528 | - | 2552 | = | -24 | * | (125 | / | 672) | = | -4.4642857 | ||
| 7 | 77210 | 2534 | - | 2567 | = | -33 | * | (125 | / | 672) | = | -6.13839283 | ||
| 8 | 77213 | 2552 | - | 2586 | = | -34 | * | (90 | / | 672) | = | -4.55357141 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio Calaveras Elementary | -18 | ||||||||||||
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 | 77383 | 2448 | - | 2436 | = | 12 | * | (82 | / | 674) | = | 1.45994065 | ||
| 4 | 77385 | 2478 | - | 2485 | = | -7 | * | (91 | / | 674) | = | -0.94510385 | ||
| 5 | 77387 | 2506 | - | 2528 | = | -22 | * | (125 | / | 674) | = | -4.08011868 | ||
| 6 | 77389 | 2508 | - | 2552 | = | -44 | * | (124 | / | 674) | = | -8.09495548 | ||
| 7 | 77391 | 2549 | - | 2567 | = | -18 | * | (127 | / | 674) | = | -3.39169138 | ||
| 8 | 77393 | 2537 | - | 2586 | = | -49 | * | (125 | / | 674) | = | -9.08753706 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio Calaveras Elementary | -24 | ||||||||||||
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 | 77904 | 2424 | - | 2436 | = | -12 | * | (101 | / | 653) | = | -1.856049 | ||
| 4 | 77905 | 2481 | - | 2485 | = | -4 | * | (97 | / | 653) | = | -0.5941807 | ||
| 5 | 77906 | 2501 | - | 2528 | = | -27 | * | (96 | / | 653) | = | -3.96937211 | ||
| 6 | 77907 | 2500 | - | 2552 | = | -52 | * | (119 | / | 653) | = | -9.47626337 | ||
| 7 | 77908 | 2538 | - | 2567 | = | -29 | * | (121 | / | 653) | = | -5.37366001 | ||
| 8 | 77909 | 2527 | - | 2586 | = | -59 | * | (119 | / | 653) | = | -10.75191421 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio Calaveras Elementary | -32 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -17 | -7 | -18 | -24 | -32 | -98.0 | -19.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.6
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% | 82% | 80% | 70% | 71% |
| 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.
Rio Calaveras Elementary math proficiency
Zero+ meets standard.
68% less $meal
66% less $meal
64% less $meal
64% less $meal
61% 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.