Hagginwood Elementary (Data source)
Source data for Hagginwood 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 | 1907466 | 2358 | - | 2436 | = | -78 | * | (65 | / | 256) | = | -19.8046875 | ||
| 4 | 1907467 | 2408 | - | 2485 | = | -77 | * | (61 | / | 256) | = | -18.34765625 | ||
| 5 | 1907470 | 2431 | - | 2528 | = | -97 | * | (62 | / | 256) | = | -23.4921875 | ||
| 6 | 1907471 | 2447 | - | 2552 | = | -105 | * | (68 | / | 256) | = | -27.890625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hagginwood Elementary | -90 | ||||||||||||
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 | 58733 | 2381 | - | 2436 | = | -55 | * | (59 | / | 233) | = | -13.92703862 | ||
| 4 | 58734 | 2418 | - | 2485 | = | -67 | * | (65 | / | 233) | = | -18.69098712 | ||
| 5 | 58736 | 2444 | - | 2528 | = | -84 | * | (56 | / | 233) | = | -20.18884115 | ||
| 6 | 58738 | 2454 | - | 2552 | = | -98 | * | (53 | / | 233) | = | -22.29184548 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hagginwood Elementary | -75 | ||||||||||||
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 | 60445 | 2366 | - | 2436 | = | -70 | * | (54 | / | 229) | = | -16.5065502 | ||
| 4 | 60447 | 2417 | - | 2485 | = | -68 | * | (62 | / | 229) | = | -18.41048034 | ||
| 5 | 60450 | 2429 | - | 2528 | = | -99 | * | (58 | / | 229) | = | -25.07423579 | ||
| 6 | 60452 | 2413 | - | 2552 | = | -139 | * | (55 | / | 229) | = | -33.38427941 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hagginwood Elementary | -93 | ||||||||||||
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 | 60570 | 2387 | - | 2436 | = | -49 | * | (67 | / | 242) | = | -13.5661157 | ||
| 4 | 60573 | 2427 | - | 2485 | = | -58 | * | (55 | / | 242) | = | -13.18181817 | ||
| 5 | 60574 | 2440 | - | 2528 | = | -88 | * | (57 | / | 242) | = | -20.72727272 | ||
| 6 | 60577 | 2447 | - | 2552 | = | -105 | * | (63 | / | 242) | = | -27.33471069 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hagginwood Elementary | -75 | ||||||||||||
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 | 60822 | 2380 | - | 2436 | = | -56 | * | (56 | / | 199) | = | -15.75879396 | ||
| 4 | 60823 | 2450 | - | 2485 | = | -35 | * | (52 | / | 199) | = | -9.14572862 | ||
| 5 | 60824 | 2445 | - | 2528 | = | -83 | * | (48 | / | 199) | = | -20.02010049 | ||
| 6 | 60825 | 2460 | - | 2552 | = | -92 | * | (43 | / | 199) | = | -19.87939698 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hagginwood Elementary | -65 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -75 | -93 | -75 | -65 | -398.0 | -79.6 |
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: -112.6
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 | 94% | 96% | 96% | 95% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Twin Rivers Unified school district | County of Sacramento
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.
Hagginwood Elementary math proficiency
Zero+ meets standard.
91% less $meal
93% less $meal
93% less $meal
91% less $meal
90% 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.