Terrell Elementary (Data source)
Source data for Terrell 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 | 2711906 | 2434 | - | 2436 | = | -2 | * | (77 | / | 247) | = | -0.62348178 | ||
| 4 | 2711907 | 2428 | - | 2485 | = | -57 | * | (76 | / | 247) | = | -17.5384615 | ||
| 5 | 2711910 | 2488 | - | 2528 | = | -40 | * | (94 | / | 247) | = | -15.22267204 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Terrell Elementary | -33 | ||||||||||||
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 | 82570 | 2424 | - | 2436 | = | -12 | * | (60 | / | 206) | = | -3.49514562 | ||
| 4 | 82572 | 2465 | - | 2485 | = | -20 | * | (71 | / | 206) | = | -6.89320388 | ||
| 5 | 82575 | 2461 | - | 2528 | = | -67 | * | (75 | / | 206) | = | -24.39320382 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Terrell Elementary | -35 | ||||||||||||
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 | 84862 | 2421 | - | 2436 | = | -15 | * | (70 | / | 197) | = | -5.32994924 | ||
| 4 | 84865 | 2466 | - | 2485 | = | -19 | * | (56 | / | 197) | = | -5.40101522 | ||
| 5 | 84866 | 2493 | - | 2528 | = | -35 | * | (71 | / | 197) | = | -12.61421319 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Terrell Elementary | -23 | ||||||||||||
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 | 85078 | 2409 | - | 2436 | = | -27 | * | (52 | / | 179) | = | -7.84357541 | ||
| 4 | 85080 | 2446 | - | 2485 | = | -39 | * | (69 | / | 179) | = | -15.03351954 | ||
| 5 | 85082 | 2486 | - | 2528 | = | -42 | * | (58 | / | 179) | = | -13.60893853 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Terrell Elementary | -36 | ||||||||||||
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 | 85672 | 2388 | - | 2436 | = | -48 | * | (54 | / | 174) | = | -14.8965517 | ||
| 4 | 85673 | 2445 | - | 2485 | = | -40 | * | (54 | / | 174) | = | -12.41379308 | ||
| 5 | 85674 | 2458 | - | 2528 | = | -70 | * | (66 | / | 174) | = | -26.55172408 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Terrell Elementary | -54 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -35 | -23 | -36 | -54 | -181.0 | -36.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -3.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.2
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 | 46% | 47% | 49% | 53% | 54% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Terrell Elementary math proficiency
Zero+ meets standard.
37% less $meal
39% less $meal
40% less $meal
46% less $meal
46% 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.