Crowley Elementary (Data source)
Source data for Crowley 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 | 3065695 | 2394 | - | 2436 | = | -42 | * | (91 | / | 351) | = | -10.88888888 | ||
| 4 | 3065696 | 2421 | - | 2485 | = | -64 | * | (86 | / | 351) | = | -15.68091168 | ||
| 5 | 3065699 | 2425 | - | 2528 | = | -103 | * | (87 | / | 351) | = | -25.52991444 | ||
| 6 | 3065700 | 2479 | - | 2552 | = | -73 | * | (87 | / | 351) | = | -18.09401703 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Crowley Elementary | -70 | ||||||||||||
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 | 94377 | 2373 | - | 2436 | = | -63 | * | (84 | / | 357) | = | -14.82352937 | ||
| 4 | 94380 | 2396 | - | 2485 | = | -89 | * | (94 | / | 357) | = | -23.43417366 | ||
| 5 | 94381 | 2446 | - | 2528 | = | -82 | * | (88 | / | 357) | = | -20.21288512 | ||
| 6 | 94384 | 2445 | - | 2552 | = | -107 | * | (91 | / | 357) | = | -27.27450972 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Crowley Elementary | -86 | ||||||||||||
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 | 97154 | 2411 | - | 2436 | = | -25 | * | (90 | / | 350) | = | -6.42857143 | ||
| 4 | 97155 | 2426 | - | 2485 | = | -59 | * | (82 | / | 350) | = | -13.82285713 | ||
| 5 | 97158 | 2436 | - | 2528 | = | -92 | * | (98 | / | 350) | = | -25.76 | ||
| 6 | 97160 | 2464 | - | 2552 | = | -88 | * | (80 | / | 350) | = | -20.11428566 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Crowley Elementary | -66 | ||||||||||||
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 | 97333 | 2400 | - | 2436 | = | -36 | * | (65 | / | 333) | = | -7.02702702 | ||
| 4 | 97334 | 2439 | - | 2485 | = | -46 | * | (92 | / | 333) | = | -12.7087087 | ||
| 5 | 97337 | 2430 | - | 2528 | = | -98 | * | (84 | / | 333) | = | -24.7207207 | ||
| 6 | 97338 | 2489 | - | 2552 | = | -63 | * | (92 | / | 333) | = | -17.40540539 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Crowley Elementary | -62 | ||||||||||||
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 | 97987 | 2395 | - | 2436 | = | -41 | * | (99 | / | 338) | = | -12.00887573 | ||
| 4 | 97988 | 2428 | - | 2485 | = | -57 | * | (63 | / | 338) | = | -10.62426032 | ||
| 5 | 97989 | 2455 | - | 2528 | = | -73 | * | (96 | / | 338) | = | -20.73372776 | ||
| 6 | 97990 | 2477 | - | 2552 | = | -75 | * | (80 | / | 338) | = | -17.75147925 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Crowley Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -70 | -86 | -66 | -62 | -61 | -345.0 | -69.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -39.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.0
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 | 73% | 71% | 86% | 88% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Visalia Unified school district | County of Tulare
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.
Crowley Elementary math proficiency
Zero+ meets standard.
72% less $meal
71% less $meal
80% less $meal
85% less $meal
82% 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.