Don Callejon (Data source)
Source data for Don Callejon
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 | 2718308 | 2485 | - | 2436 | = | 49 | * | (90 | / | 646) | = | 6.82662537 | ||
| 4 | 2718309 | 2547 | - | 2485 | = | 62 | * | (102 | / | 646) | = | 9.78947363 | ||
| 5 | 2718312 | 2576 | - | 2528 | = | 48 | * | (80 | / | 646) | = | 5.94427243 | ||
| 6 | 2718313 | 2491 | - | 2552 | = | -61 | * | (132 | / | 646) | = | -12.46439627 | ||
| 7 | 2718316 | 2505 | - | 2567 | = | -62 | * | (121 | / | 646) | = | -11.61300306 | ||
| 8 | 2718317 | 2521 | - | 2586 | = | -65 | * | (121 | / | 646) | = | -12.17492257 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Don Callejon | -14 | ||||||||||||
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 | 82717 | 2498 | - | 2436 | = | 62 | * | (97 | / | 648) | = | 9.2808642 | ||
| 4 | 82718 | 2534 | - | 2485 | = | 49 | * | (83 | / | 648) | = | 6.27623453 | ||
| 5 | 82721 | 2576 | - | 2528 | = | 48 | * | (92 | / | 648) | = | 6.81481478 | ||
| 6 | 82722 | 2510 | - | 2552 | = | -42 | * | (135 | / | 648) | = | -8.74999999 | ||
| 7 | 82725 | 2529 | - | 2567 | = | -38 | * | (121 | / | 648) | = | -7.09567901 | ||
| 8 | 82727 | 2534 | - | 2586 | = | -52 | * | (120 | / | 648) | = | -9.62962962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Don Callejon | -3 | ||||||||||||
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 | 85006 | 2505 | - | 2436 | = | 69 | * | (98 | / | 625) | = | 10.8192 | ||
| 4 | 85008 | 2536 | - | 2485 | = | 51 | * | (92 | / | 625) | = | 7.5072 | ||
| 5 | 85011 | 2572 | - | 2528 | = | 44 | * | (80 | / | 625) | = | 5.632 | ||
| 6 | 85012 | 2548 | - | 2552 | = | -4 | * | (134 | / | 625) | = | -0.8576 | ||
| 7 | 85015 | 2518 | - | 2567 | = | -49 | * | (112 | / | 625) | = | -8.7808 | ||
| 8 | 85017 | 2527 | - | 2586 | = | -59 | * | (109 | / | 625) | = | -10.2896 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Don Callejon | 4 | ||||||||||||
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 | 85222 | 2515 | - | 2436 | = | 79 | * | (77 | / | 624) | = | 9.74839737 | ||
| 4 | 85224 | 2549 | - | 2485 | = | 64 | * | (93 | / | 624) | = | 9.5384615 | ||
| 5 | 85226 | 2564 | - | 2528 | = | 36 | * | (82 | / | 624) | = | 4.73076922 | ||
| 6 | 85228 | 2504 | - | 2552 | = | -48 | * | (145 | / | 624) | = | -11.15384611 | ||
| 7 | 85230 | 2515 | - | 2567 | = | -52 | * | (121 | / | 624) | = | -10.08333331 | ||
| 8 | 85232 | 2527 | - | 2586 | = | -59 | * | (106 | / | 624) | = | -10.02243585 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Don Callejon | -7 | ||||||||||||
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 | 85819 | 2502 | - | 2436 | = | 66 | * | (92 | / | 619) | = | 9.80936992 | ||
| 4 | 85820 | 2553 | - | 2485 | = | 68 | * | (73 | / | 619) | = | 8.01938606 | ||
| 5 | 85821 | 2585 | - | 2528 | = | 57 | * | (81 | / | 619) | = | 7.45880448 | ||
| 6 | 85822 | 2531 | - | 2552 | = | -21 | * | (145 | / | 619) | = | -4.91922455 | ||
| 7 | 85823 | 2499 | - | 2567 | = | -68 | * | (114 | / | 619) | = | -12.52342482 | ||
| 8 | 85824 | 2515 | - | 2586 | = | -71 | * | (114 | / | 619) | = | -13.07592885 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Don Callejon | -5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -14 | -3 | 4 | -7 | -5 | -25.0 | -5.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -23.0
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 | 36% | 33% | 28% | 33% | 33% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Clara 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.
Don Callejon math proficiency
Zero+ meets standard.
30% less $meal
28% less $meal
22% less $meal
27% less $meal
27% 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.