Cesar E. Chavez Elementary (Data source)
Source data for Cesar E. Chavez 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 | 3119605 | 2385 | - | 2436 | = | -51 | * | (109 | / | 543) | = | -10.23756905 | ||
| 4 | 3119606 | 2402 | - | 2485 | = | -83 | * | (124 | / | 543) | = | -18.95395943 | ||
| 5 | 3119609 | 2430 | - | 2528 | = | -98 | * | (92 | / | 543) | = | -16.60405151 | ||
| 6 | 3119610 | 2422 | - | 2552 | = | -130 | * | (123 | / | 543) | = | -29.44751381 | ||
| 7 | 3119613 | 2435 | - | 2567 | = | -132 | * | (95 | / | 543) | = | -23.09392259 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cesar E. Chavez Elementary | -98 | ||||||||||||
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 | 96211 | 2380 | - | 2436 | = | -56 | * | (89 | / | 629) | = | -7.92368836 | ||
| 4 | 96213 | 2415 | - | 2485 | = | -70 | * | (105 | / | 629) | = | -11.68521459 | ||
| 5 | 96214 | 2426 | - | 2528 | = | -102 | * | (134 | / | 629) | = | -21.72972963 | ||
| 6 | 96217 | 2431 | - | 2552 | = | -121 | * | (107 | / | 629) | = | -20.58346573 | ||
| 7 | 96219 | 2420 | - | 2567 | = | -147 | * | (115 | / | 629) | = | -26.87599354 | ||
| 8 | 96220 | 2430 | - | 2586 | = | -156 | * | (79 | / | 629) | = | -19.5930047 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cesar E. Chavez Elementary | -108 | ||||||||||||
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 | 98998 | 2377 | - | 2436 | = | -59 | * | (90 | / | 616) | = | -8.62012986 | ||
| 4 | 99000 | 2416 | - | 2485 | = | -69 | * | (97 | / | 616) | = | -10.86525971 | ||
| 5 | 99001 | 2425 | - | 2528 | = | -103 | * | (102 | / | 616) | = | -17.05519475 | ||
| 6 | 99004 | 2421 | - | 2552 | = | -131 | * | (126 | / | 616) | = | -26.79545447 | ||
| 7 | 99006 | 2434 | - | 2567 | = | -133 | * | (98 | / | 616) | = | -21.1590909 | ||
| 8 | 99008 | 2451 | - | 2586 | = | -135 | * | (103 | / | 616) | = | -22.57305192 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cesar E. Chavez Elementary | -107 | ||||||||||||
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 | 99152 | 2380 | - | 2436 | = | -56 | * | (101 | / | 628) | = | -9.0063694 | ||
| 4 | 99155 | 2414 | - | 2485 | = | -71 | * | (112 | / | 628) | = | -12.66242038 | ||
| 5 | 99156 | 2428 | - | 2528 | = | -100 | * | (98 | / | 628) | = | -15.6050955 | ||
| 6 | 99159 | 2423 | - | 2552 | = | -129 | * | (104 | / | 628) | = | -21.36305726 | ||
| 7 | 99160 | 2434 | - | 2567 | = | -133 | * | (109 | / | 628) | = | -23.08439477 | ||
| 8 | 99163 | 2462 | - | 2586 | = | -124 | * | (104 | / | 628) | = | -20.53503178 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cesar E. Chavez Elementary | -102 | ||||||||||||
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 | 99822 | 2389 | - | 2436 | = | -47 | * | (95 | / | 618) | = | -7.22491905 | ||
| 4 | 99823 | 2448 | - | 2485 | = | -37 | * | (105 | / | 618) | = | -6.28640774 | ||
| 5 | 99824 | 2446 | - | 2528 | = | -82 | * | (105 | / | 618) | = | -13.93203878 | ||
| 6 | 99825 | 2428 | - | 2552 | = | -124 | * | (97 | / | 618) | = | -19.46278307 | ||
| 7 | 99826 | 2426 | - | 2567 | = | -141 | * | (113 | / | 618) | = | -25.78155334 | ||
| 8 | 99827 | 2447 | - | 2586 | = | -139 | * | (103 | / | 618) | = | -23.16666657 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cesar E. Chavez Elementary | -96 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -98 | -108 | -107 | -102 | -96 | -511.0 | -102.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -87.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.2
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 | 96% | 95% | 96% | 96% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard school district | County of Ventura
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.
Cesar E. Chavez Elementary math proficiency
Zero+ meets standard.
87% less $meal
87% less $meal
86% less $meal
90% less $meal
84% 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.