Ramon S. Tafoya Elementary (Data source)
Source data for Ramon S. Tafoya 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 | 3188100 | 2398 | - | 2436 | = | -38 | * | (120 | / | 466) | = | -9.7854077 | ||
| 4 | 3188103 | 2421 | - | 2485 | = | -64 | * | (106 | / | 466) | = | -14.5579399 | ||
| 5 | 3188104 | 2460 | - | 2528 | = | -68 | * | (115 | / | 466) | = | -16.78111582 | ||
| 6 | 3188107 | 2518 | - | 2552 | = | -34 | * | (125 | / | 466) | = | -9.12017166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ramon S. Tafoya Elementary | -50 | ||||||||||||
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 | 98261 | 2421 | - | 2436 | = | -15 | * | (94 | / | 457) | = | -3.08533916 | ||
| 4 | 98262 | 2429 | - | 2485 | = | -56 | * | (126 | / | 457) | = | -15.4398249 | ||
| 5 | 98265 | 2457 | - | 2528 | = | -71 | * | (117 | / | 457) | = | -18.17724286 | ||
| 6 | 98267 | 2511 | - | 2552 | = | -41 | * | (120 | / | 457) | = | -10.7658643 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ramon S. Tafoya Elementary | -47 | ||||||||||||
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 | 101125 | 2406 | - | 2436 | = | -30 | * | (133 | / | 477) | = | -8.36477985 | ||
| 4 | 101127 | 2454 | - | 2485 | = | -31 | * | (95 | / | 477) | = | -6.17400418 | ||
| 5 | 101130 | 2443 | - | 2528 | = | -85 | * | (128 | / | 477) | = | -22.80922428 | ||
| 6 | 101132 | 2497 | - | 2552 | = | -55 | * | (121 | / | 477) | = | -13.95178197 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ramon S. Tafoya Elementary | -51 | ||||||||||||
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 | 101278 | 2397 | - | 2436 | = | -39 | * | (137 | / | 491) | = | -10.88187372 | ||
| 4 | 101281 | 2442 | - | 2485 | = | -43 | * | (133 | / | 491) | = | -11.64765781 | ||
| 5 | 101282 | 2477 | - | 2528 | = | -51 | * | (95 | / | 491) | = | -9.86761709 | ||
| 6 | 101285 | 2494 | - | 2552 | = | -58 | * | (126 | / | 491) | = | -14.88391035 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ramon S. Tafoya Elementary | -47 | ||||||||||||
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 | 101938 | 2382 | - | 2436 | = | -54 | * | (118 | / | 525) | = | -12.13714282 | ||
| 4 | 101939 | 2445 | - | 2485 | = | -40 | * | (148 | / | 525) | = | -11.27619044 | ||
| 5 | 101940 | 2458 | - | 2528 | = | -70 | * | (144 | / | 525) | = | -19.19999998 | ||
| 6 | 101941 | 2505 | - | 2552 | = | -47 | * | (115 | / | 525) | = | -10.29523809 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ramon S. Tafoya Elementary | -53 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -47 | -51 | -47 | -53 | -248.0 | -49.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.6
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 | 69% | 69% | 63% | 61% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Woodland Joint Unified school district | County of Yolo
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.
Ramon S. Tafoya Elementary math proficiency
Zero+ meets standard.
54% less $meal
53% less $meal
50% less $meal
51% less $meal
52% 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.