Riverway Elementary (Data source)
Source data for Riverway 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 | 3066636 | 2407 | - | 2436 | = | -29 | * | (71 | / | 309) | = | -6.6634304 | ||
| 4 | 3066639 | 2417 | - | 2485 | = | -68 | * | (89 | / | 309) | = | -19.58576045 | ||
| 5 | 3066640 | 2429 | - | 2528 | = | -99 | * | (67 | / | 309) | = | -21.46601932 | ||
| 6 | 3066643 | 2491 | - | 2552 | = | -61 | * | (82 | / | 309) | = | -16.18770225 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riverway Elementary | -64 | ||||||||||||
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 | 94404 | 2423 | - | 2436 | = | -13 | * | (76 | / | 292) | = | -3.38356164 | ||
| 4 | 94406 | 2433 | - | 2485 | = | -52 | * | (67 | / | 292) | = | -11.93150681 | ||
| 5 | 94407 | 2445 | - | 2528 | = | -83 | * | (81 | / | 292) | = | -23.02397258 | ||
| 6 | 94410 | 2450 | - | 2552 | = | -102 | * | (68 | / | 292) | = | -23.75342462 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riverway Elementary | -62 | ||||||||||||
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 | 97180 | 2437 | - | 2436 | = | 1 | * | (77 | / | 304) | = | 0.25328947 | ||
| 4 | 97181 | 2415 | - | 2485 | = | -70 | * | (81 | / | 304) | = | -18.65131576 | ||
| 5 | 97183 | 2413 | - | 2528 | = | -115 | * | (68 | / | 304) | = | -25.72368415 | ||
| 6 | 97185 | 2435 | - | 2552 | = | -117 | * | (78 | / | 304) | = | -30.0197368 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riverway Elementary | -74 | ||||||||||||
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 | 97359 | 2444 | - | 2436 | = | 8 | * | (83 | / | 290) | = | 2.28965517 | ||
| 4 | 97360 | 2457 | - | 2485 | = | -28 | * | (81 | / | 290) | = | -7.82068963 | ||
| 5 | 97363 | 2445 | - | 2528 | = | -83 | * | (83 | / | 290) | = | -23.75517237 | ||
| 6 | 97364 | 2477 | - | 2552 | = | -75 | * | (43 | / | 290) | = | -11.12068965 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riverway Elementary | -40 | ||||||||||||
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 | 98013 | 2434 | - | 2436 | = | -2 | * | (91 | / | 353) | = | -0.51558074 | ||
| 4 | 98014 | 2475 | - | 2485 | = | -10 | * | (86 | / | 353) | = | -2.43626062 | ||
| 5 | 98015 | 2463 | - | 2528 | = | -65 | * | (92 | / | 353) | = | -16.94050989 | ||
| 6 | 98016 | 2486 | - | 2552 | = | -66 | * | (84 | / | 353) | = | -15.70538237 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riverway Elementary | -36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -62 | -74 | -40 | -36 | -276.0 | -55.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -7.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.2
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 | 78% | 75% | 91% | 83% | 78% |
| 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.
Riverway Elementary math proficiency
Zero+ meets standard.
76% less $meal
74% less $meal
82% less $meal
71% less $meal
67% 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.