Cajon Park Elementary (Data source)
Source data for Cajon Park 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 | 2287520 | 2447 | - | 2436 | = | 11 | * | (120 | / | 707) | = | 1.86704384 | ||
| 4 | 2287521 | 2453 | - | 2485 | = | -32 | * | (114 | / | 707) | = | -5.15983024 | ||
| 5 | 2287524 | 2469 | - | 2528 | = | -59 | * | (123 | / | 707) | = | -10.26449786 | ||
| 6 | 2287525 | 2493 | - | 2552 | = | -59 | * | (114 | / | 707) | = | -9.51343701 | ||
| 7 | 2287528 | 2554 | - | 2567 | = | -13 | * | (119 | / | 707) | = | -2.1881188 | ||
| 8 | 2287529 | 2547 | - | 2586 | = | -39 | * | (117 | / | 707) | = | -6.4540311 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cajon Park Elementary | -32 | ||||||||||||
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 | 70051 | 2448 | - | 2436 | = | 12 | * | (116 | / | 687) | = | 2.02620086 | ||
| 4 | 70054 | 2473 | - | 2485 | = | -12 | * | (118 | / | 687) | = | -2.06113536 | ||
| 5 | 70055 | 2478 | - | 2528 | = | -50 | * | (115 | / | 687) | = | -8.3697234 | ||
| 6 | 70058 | 2512 | - | 2552 | = | -40 | * | (117 | / | 687) | = | -6.81222704 | ||
| 7 | 70059 | 2520 | - | 2567 | = | -47 | * | (107 | / | 687) | = | -7.32023289 | ||
| 8 | 70062 | 2567 | - | 2586 | = | -19 | * | (114 | / | 687) | = | -3.15283842 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cajon Park Elementary | -26 | ||||||||||||
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 | 71904 | 2470 | - | 2436 | = | 34 | * | (108 | / | 680) | = | 5.39999999 | ||
| 4 | 71906 | 2464 | - | 2485 | = | -21 | * | (131 | / | 680) | = | -4.04558822 | ||
| 5 | 71909 | 2485 | - | 2528 | = | -43 | * | (121 | / | 680) | = | -7.65147057 | ||
| 6 | 71910 | 2502 | - | 2552 | = | -50 | * | (107 | / | 680) | = | -7.86764705 | ||
| 7 | 71913 | 2536 | - | 2567 | = | -31 | * | (114 | / | 680) | = | -5.1970588 | ||
| 8 | 71914 | 2527 | - | 2586 | = | -59 | * | (99 | / | 680) | = | -8.58970587 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cajon Park Elementary | -28 | ||||||||||||
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 | 72046 | 2464 | - | 2436 | = | 28 | * | (97 | / | 673) | = | 4.0356612 | ||
| 4 | 72047 | 2488 | - | 2485 | = | 3 | * | (114 | / | 673) | = | 0.50817236 | ||
| 5 | 72050 | 2504 | - | 2528 | = | -24 | * | (125 | / | 673) | = | -4.45765229 | ||
| 6 | 72051 | 2502 | - | 2552 | = | -50 | * | (115 | / | 673) | = | -8.54383355 | ||
| 7 | 72053 | 2525 | - | 2567 | = | -42 | * | (106 | / | 673) | = | -6.61515599 | ||
| 8 | 72056 | 2539 | - | 2586 | = | -47 | * | (116 | / | 673) | = | -8.10104009 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cajon Park Elementary | -23 | ||||||||||||
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 | 72538 | 2445 | - | 2436 | = | 9 | * | (102 | / | 671) | = | 1.3681073 | ||
| 4 | 72539 | 2478 | - | 2485 | = | -7 | * | (104 | / | 671) | = | -1.08494784 | ||
| 5 | 72540 | 2504 | - | 2528 | = | -24 | * | (122 | / | 671) | = | -4.36363634 | ||
| 6 | 72541 | 2507 | - | 2552 | = | -45 | * | (121 | / | 671) | = | -8.11475406 | ||
| 7 | 72542 | 2543 | - | 2567 | = | -24 | * | (120 | / | 671) | = | -4.29210132 | ||
| 8 | 72543 | 2516 | - | 2586 | = | -70 | * | (102 | / | 671) | = | -10.64083454 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cajon Park Elementary | -27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -32 | -26 | -28 | -23 | -27 | -136.0 | -27.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.2
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 | 32% | 35% | 35% | 39% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santee school district | County of San Diego
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.
Cajon Park Elementary math proficiency
Zero+ meets standard.
25% less $meal
29% less $meal
29% less $meal
33% less $meal
34% 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.