Clark Middle (Data source)
Source data for Clark Middle
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 |
||
| 6 | 2277813 | 2488 | - | 2552 | = | -64 | * | (323 | / | 981) | = | -21.0723751 | ||
| 7 | 2277814 | 2464 | - | 2567 | = | -103 | * | (324 | / | 981) | = | -34.01834859 | ||
| 8 | 2277817 | 2478 | - | 2586 | = | -108 | * | (334 | / | 981) | = | -36.77064217 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Clark Middle | -92 | ||||||||||||
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 |
||
| 6 | 69831 | 2471 | - | 2552 | = | -81 | * | (342 | / | 1015) | = | -27.29261077 | ||
| 7 | 69833 | 2461 | - | 2567 | = | -106 | * | (350 | / | 1015) | = | -36.55172412 | ||
| 8 | 69835 | 2480 | - | 2586 | = | -106 | * | (323 | / | 1015) | = | -33.7320196 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Clark Middle | -98 | ||||||||||||
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 |
||
| 6 | 71667 | 2479 | - | 2552 | = | -73 | * | (350 | / | 1007) | = | -25.37239319 | ||
| 7 | 71669 | 2463 | - | 2567 | = | -104 | * | (334 | / | 1007) | = | -34.49453821 | ||
| 8 | 71670 | 2480 | - | 2586 | = | -106 | * | (323 | / | 1007) | = | -33.9999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Clark Middle | -94 | ||||||||||||
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 |
||
| 6 | 71811 | 2482 | - | 2552 | = | -70 | * | (292 | / | 955) | = | -21.40314134 | ||
| 7 | 71814 | 2471 | - | 2567 | = | -96 | * | (336 | / | 955) | = | -33.77591616 | ||
| 8 | 71815 | 2481 | - | 2586 | = | -105 | * | (327 | / | 955) | = | -35.95287948 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Clark Middle | -91 | ||||||||||||
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 |
||
| 6 | 72297 | 2490 | - | 2552 | = | -62 | * | (307 | / | 906) | = | -21.00883001 | ||
| 7 | 72298 | 2495 | - | 2567 | = | -72 | * | (279 | / | 906) | = | -22.17218537 | ||
| 8 | 72299 | 2478 | - | 2586 | = | -108 | * | (320 | / | 906) | = | -38.14569536 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Clark Middle | -81 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -92 | -98 | -94 | -91 | -81 | -456.0 | -91.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.2
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 | 97% | 98% | 96% | 90% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Diego Unified school district | County of San Diego
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.
Clark Middle math proficiency
Zero+ meets standard.
87% less $meal
87% less $meal
85% less $meal
81% less $meal
85% 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.